What is Federal Supply Class 5905?

FSC 5905 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 5905) in the USA for supply items codified in the category of Resistor.

What is NATO Supply Classification Class 5905?

NSC 5905 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 5905 in the USA) for supply items codified in the category of Resistor.

Which Federal Supply Group is FSC 5905 in?

FSC 5905 is in Federal Supply Group (FSG) 59 which contains Electrical and Electronic Equipment Components.

Which NATO Supply Classification Group is NSC 5905 in?

NSC 5905is in NATO Supply Classification Group (NSG) 59 which contains Electrical and Electronic Equipment Components.

What is an Adjustable Resistor?

An Adjustable Resistor (RESISTOR,ADJUSTABLE) is a resistor whose overall ohmic value is fixed; in addition, it has one or more movable terminals which are designed to be set and fixed prior to use, to include any desired value of resistance within the range of the complete resistor. The opposition to the flow of current is an inherent property of the material used and is manifest in the heat dissipated in the item itself.

What is a Wire Wound Fixed Resistor?

A Wire Wound Fixed Resistor (RESISTOR,FIXED,WIRE WOUND) is a resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self supporting. Opposition to the flow of current is an inherent property of the resistance wire and is manifest by the heat dissipation in the resistor. Excludes SUPPRESSOR, IGNITION INTERFERENCE.

What is a Composition Fixed Resistor?

A Composition Fixed Resistor (RESISTOR,FIXED,COMPOSITION) is a resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of a mixture of carbon, an insulating material, and suitable binders, either molded together or applied as a thin layer of conducting material on an insulated form. The opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the item itself. See also ATTENUATOR, FIXED; RESISTOR, FIXED, FILM; and RESISTOR, THERMAL. Excludes SUPPRESSOR, IGNITION INTERFERENCE.

What is a Thermal Resistor?

A Thermal Resistor (RESISTOR,THERMAL) is a thermally sensitive resistor whose primary function is to exhibit a change in electrical resistance with a change in body temperature. Item may be mounted in a probe or housing. For ballast tube type resistors, see RESISTOR (1), CURRENT REGULATING. Excludes TRANSMITTER (1), TEMPERATURE, ELECTRICAL RESISTANCE and TEMPERATURE ELEMENT, RESISTANCE METEOROLOGICAL.

What is a Resistor Assembly?

A Resistor Assembly is two or more individual fixed, variable, thermal, or adjustable resistors on a common mounting or mounted on each other. The resistors must be separable and each must be capable of functioning in accordance with its applicable item name. For variable resistors mounted in tandem with a common or dual concentric shaft, see RESISTOR, VARIABLE (as modified) and ATTENUATOR, VARIABLE. For inseparable resistors permanently cased, sealed or potted together to form a multisection unit, see RESISTOR ASSORTMENT; RESISTOR SET, MATCHED; and items which have wire leads temporarily twisted together, or are otherwise physically attached solely for convenience in handling or shipping.

What is a Resistor Subassembly?

A Resistor Subassembly is two or more different types of items having a common mounting or mounted on each other which together form a portion of a resistor, but which in itself is not a complete functioning item and cannot be assigned a definite item name.

What is a Resistance Element?

A Resistance Element is an item of electrically resistive material in the form of a grid, ribbon, or wire designed to be used singly or built into groups to form a resistance unit. It is usually a maintenance part for a RESISTOR (as modified), a RHEOSTAT, or similar item. Includes items which can be used as "heaters" (heating elements) but which are rated in terms of resistance and resistance tolerance. Excludes ABSORBER, RADIO FREQUENCY RADIATION; HEATER, THERMAL RELEASE; HEATING ELEMENT, ELECTRICAL (as modified); and RESISTOR (as modified).

What is a Film Fixed Resistor?

A Film Fixed Resistor (RESISTOR,FIXED,FILM) is a resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of either a thin layer of conductive material, containing either binders or insulating materials, deposited on an insulated form; or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. See also ATTENUATOR, FIXED and RESISTOR, FIXED, COMPOSITION. Excludes carbon composition type resistors.

What is a Voltage Sensitive Resistor?

A Voltage Sensitive Resistor (RESISTOR,VOLTAGE SENSITIVE) is a resistor specifically designed so that its ohms value decreases with increasing applied voltage over at least a portion of its rated ohmic range. See also ABSORBER, OVERVOLTAGE.

What is a Current Regulating Resistor?

A Current Regulating Resistor (RESISTOR,CURRENT REGULATING) is a resistor with its resistive element contained in a gas filled inclosure, specifically designed to maintain a relatively constant current flow in a circuit by compensating for variations in voltage. See also RESISTOR, THERMAL and RESISTOR, VOLTAGE SENSITIVE.

What is a Resistor Holder?

A Resistor Holder (HOLDER,RESISTOR) is an item designed primarily to mechanically and/or electrically accommodate one or more resistors in such a way that they may be readily inserted or removed. For items in which the resistors are to be mounted by using screw type terminals or solder lugs, see TERMINAL BOARD. If the holder will accommodate either fuses or resistors, use item name FUSEHOLDER. For items designed to accommodate lamp base type resistors, see LAMPHOLDER and LAMPHOLDER ASSEMBLY.

What is a Resistor Assortment?

A Resistor Assortment is two or more of the same or different types of resistors of different known values grouped together in a single package and intended for individual replacement and wide selectivity range.

What is a Matched Resistor Set?

A Matched Resistor Set (RESISTOR SET,MATCHED) is a grouping of two or more separate fixed resistors which, when connected in series or parallel, will produce a specified total resistance, or whose resistance values are equal to each other within a specified tolerance. For items which are connected as required for use, and/or which are mounted on a common mounting or on each other, see RESISTOR ASSEMBLY. Excludes NETWORK, IMPEDANCE MATCHING.

What is a Film Fixed Resistor Network?

A Film Fixed Resistor Network (RESISTOR NETWORK,FIXED,FILM) is an arrangement of multiple fixed resistive elements or discrete resistors permanently encased, encapsulated, or potted together, to form an inseparable unit. The resistive elements, consisting of a thin layer of conductive material deposited on or fused to an insulating base, usually are electrically connected to each other and may be arranged in any circuit configuration. Excludes RESISTOR, FIXED (as modified); RESISTOR ASSEMBLY; RESISTOR NETWORK, FIXED-VARIABLE; and RESISTOR SET, MATCHED.

What is a Wire Wound Fixed Resistor Network?

A Wire Wound Fixed Resistor Network (RESISTOR NETWORK,FIXED,WIRE WOUND) is an arrangement of multiple fixed resistive elements or discrete resistors permanently encased, encapsulated, or potted together, to form an inseparable unit. The resistive elements, consisting of high resistance wire (or ribbon), usually are electrically connected to each other and may be arranged in any circuit configuration. Excludes RESISTOR, FIXED (as modified); RESISTOR ASSEMBLY; RESISTOR NETWORK, FIXED-VARIABLE; and RESISTOR SET, MATCHED.

What is a Hybrid Variable Resistor?

A Hybrid Variable Resistor (RESISTOR,VARIABLE,HYBRID) is a resistor in which a sliding or rolling contact moves over an exposed area of the resistive element. Uniform contact pressure on the resistance element is maintained by positive pressure to permit smooth electrical and mechanical control of the resistor over the entire resistance range. The resistive element is constructed of a combination of two materials usually consisting of a wirewound element with a coating of conductive plastic applied over the resistance wire where the slider makes contact. May be constructed of a single or multiturns of wire supported on an insulating structure on which the wiper contacts the coated wire continuously in the direction of wiper travel. The opposition to the flow of current is an inherent property of the wire used and is manifested in the heat dissipated in the resistor itself. For items having manually positioned taps designed to be set and fixed prior to use, see RESISTOR, ADJUSTABLE. For items with step by step variation, see RHEOSTAT; and RESISTOR, STEP BY STEP. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see ATTENUATOR, VARIABLE. Excludes other RESISTOR (1), VARIABLE, (as modified).

What is an Inductive Wire Wound Fixed Resistor?

An Inductive Wire Wound Fixed Resistor (RESISTOR,FIXED,WIRE WOUND,INDUCTIVE) is a resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self-supporting. The item must have inherent characteristics of inducing self-inductance. Opposition to current flow is an inherent property of the resistance wire and is manifested by the heat dissipation in the resistor. Exclut s SUPPRESSOR, IGNITION INTERFERENCE. See also RESISTOR (1), FIXED, WIRE WOUND, NONINDUCTIVE.

What is a Noninductive Wire Wound Fixed Resistor?

A Noninductive Wire Wound Fixed Resistor (RESISTOR,FIXED,WIRE WOUND,NONINDUCTIVE) is a resistor whose ohmic value cannot be adjusted or varied. The resistance element consists of high resistance wire (or ribbon) either wound on an insulated form or constructed so as to be self-supporting. The items must have inherent characteristics of inducing little or no self-inductance. Opposition to current flowo s an inherent property of the resistance wire and is manifested by the heat dissipation in the resistor. Excludes SUPPRESSOR, IGNITION INTERFERENCE. See also RESISTOR (1), FIXENTEWIRE WOUND, INDUCTIVE.

What is a Nonprecision Nonwire Wound Variable Resistor?

A Nonprecision Nonwire Wound Variable Resistor (RESISTOR,VARIABLE,NONWIRE WOUND,NONPRECISION) is a resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus or minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see RESISTOR, ADJUSTABLE. For items with step by step variation, see RHEOSTAT and RESISTOR, STEP BY STEP. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see ATTENUATOR, VARIABLE. Excludes RESISTOR (1), VARIABLE, WIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND PRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, PRECISION.

What is a Nonprecision Wire Wound Variable Resistor?

A Nonprecision Wire Wound Variable Resistor (RESISTOR,VARIABLE,WIRE WOUND,NONPRECISION) is a resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity), if given, of the output is greater than plus of minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see RESISTOR, ADJUSTABLE. For items with step by step variation, see RHEOSTAT and RESISTOR, STEP BY STEP. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see ATTENUATOR, VARIABLE. Excludes RESISTOR (1), VARIABLE, NONWIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND, PRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, PRECISION.

What is a Precision Nonwire Wound Variable Resistor?

A Precision Nonwire Wound Variable Resistor (RESISTOR,VARIABLE,NONWIRE WOUND,PRECISION) is a resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The finctional tolerance (linearity) of the output is equal to or less than plus or minus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually postioned taps designed to be set and fixed prior to use, see RESISTOR, ADJUSTABLE. For items with step by step variation, see REHOSTAT and RESISTOR, STEP BY STEP. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see ATTENUATOR, VARIABLE. Excludes RESISTOR (1), VARIABLE, WIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE NONWIRE WOUND, NONPRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, PRECISION.

What is a Precision Wire Wound Variable Resistor?

A Precision Wire Wound Variable Resistor (RESISTOR,VARIABLE,WIRE WOUND,PRECISION) is a resistor in which a sliding or rolling contact moves over an exposed area of the resistive element to change the ohmic value of the output. The functional tolerance (linearity) of the output is equal to or less than plus or munus 1 percent on linear outputs. Specified outputs such as sine, cosine, tangent, etc., shall be considered to be precision. For items having manually positioned taps designed to be set and fixed prior to use, see RESISTOR, ADJUSTABLE, For items with step by step variation, see RHEOSTAT and RESISTOR, STEP BY STEP. For tandem-mounted items designed to function together as an attenuator (and rated accordingly), see ATTENUATOR, VARIABLE. Excludes RESISTOR (1), VARIABLE, NONWIRE WOUND, NONPRECISION; RESISTOR (1), VARIABLE, NONWIRE WOUND, PRECISION; and RESISTOR (1), VARIABLE, WIRE WOUND, NONPRECISION.

What is a Motor Driven Variable Resistor?

A Motor Driven Variable Resistor (RESISTOR,VARIABLE,MOTOR DRIVEN) is a resistor, whose resistance value is controlled by an electric motor, which is coupled to the resistor shaft by a friction type clutch.

What is a Film Fixed Chip Resistor?

A Film Fixed Chip Resistor (RESISTOR,CHIP,FIXED,FILM) is a resistor whose ohmic value cannot be adjusted or varied. The resistor element consists of either a thin layer or conductive material, containing neither binders or insulating materials, deposited on an insulated form, or an alloy of metal and ceramic materials, usually fused to an insulated form. Opposition to the flow of current is an inherent property of the materials used and is manifest by the heat dissipation in the resistor. Primarily intended for incorporation into microelectronic circuits and surface mounted applications.

Resistor - United Kingdom (UK)

Federal Supply Class (FSC): 5905

NATO Supply Classification Class (NSC): 5905

Federal Supply Group (FSG): 59 Electrical and Electronic Equipment Components

NATO Supply Classification Group (NSG): 59 Electrical and Electronic Equipment Components

Items Managed by United Kingdom (UK) - NCB is 99

Page 62 of 337

NSN Format for Resistor
Codified by United Kingdom

59	05	99	XXX
Group FSG	Class	NCB	Identifier
FSC Federal Supply Class		NIIN
NSN

NATO Supply Class 5905 is a classification for resistors within NATO Supply Group 59, which is dedicated to electrical and electronic equipment components.

Resistors are passive electronic components that are used to control the flow of electric current in a circuit. They are designed to have a specific resistance value, which determines the amount of current that can pass through them. Resistors are commonly used in various electronic devices and systems to limit current, divide voltage, and adjust signal levels.

In the context of NATO Supply Class 5905, resistors are categorized based on their specific characteristics, such as resistance value, power rating, tolerance, and construction type. This classification system helps to ensure standardization and compatibility of resistors used in military and defense applications within NATO member countries.

By organizing resistors into a specific supply class, it becomes easier for procurement officers and engineers to identify and select the appropriate resistors for their specific needs. This classification system also facilitates inventory management and logistics, as it provides a standardized framework for categorizing and tracking resistor components within the NATO supply chain.

Overall, NATO Supply Class 5905 plays a crucial role in ensuring the availability and compatibility of resistors used in electrical and electronic equipment components within NATO member countries, thereby supporting the efficient operation and maintenance of military and defense systems.

FSC 5905 Resistor - United Kingdom (UK)

Includes Varistors; Resistive ballast Tubes; Rheostats; Resistor Networks; Resistor Mounting Hardware; Thermistors./

Excludes Resistance Wire./

Note-Mounting hardware, included in classes of this group, includes such specially designed items as brackets, holders, retainers, etc. Excluded from classes in this group are such hardware items as screws (Class 5305), bolts (Class 5306), studs (Class 5307), washers (Class 5310), rivets (Class 5320), and other common items indexed to specific classes, other than in Group 59. The FSC indexes and structure will govern the classification of items used on or with mounting hardware cited above.

Frequently Asked Questions(FAQ) for Federal Supply Class 5905

Supply Items Included in Federal Supply Class 5905

Stock Items From Supply Class 5905 Page 62 of 337