Aircraft Hydraulic, Vacuum, and De-icing System Components from France (FR)

Question 1

What is Federal Supply Class 1650?

Accepted Answer

FSC 1650 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 1650) in the USA for supply items codified in the category of Aircraft Hydraulic, Vacuum, and De-icing System Components.

Question 2

What is NATO Supply Classification Class 1650?

Accepted Answer

NSC 1650 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 1650 in the USA) for supply items codified in the category of Aircraft Hydraulic, Vacuum, and De-icing System Components.

Question 3

Which Federal Supply Group is FSC 1650 in?

Accepted Answer

FSC 1650 is in Federal Supply Group (FSG) 16 which contains Aerospace Craft Components and Accessories.

Question 4

Which NATO Supply Classification Group is NSC 1650 in?

Accepted Answer

NSC 1650is in NATO Supply Classification Group (NSG) 16 which contains Aerospace Craft Components and Accessories.

Question 5

What is a Hydraulic Motor?

Accepted Answer

A Hydraulic Motor (MOTOR,HYDRAULIC) is a mechanical device designed to convert the energy of fluid pressure to rotary motion.

Question 6

What is an Axial Pistons Pump?

Accepted Answer

An Axial Pistons Pump (PUMP,AXIAL PISTONS) is a positive displacement device which utilizes the reciprocating motion of a multiple number of parallel pistons arranged axially in a cylinder barrel as a means of transferring a liquid from one place to another. The pistons are actuated by revolving the cylinder barrel at an angle to the drive shaft axis or by a tilting box when the cylinder barrel revolves on the drive shaft. The piston displacement may be fixed or variable. It is designed to be driven by a prime mover which is not an integral part of the pump.

Question 7

What is a Cylinder Sleeve?

Accepted Answer

A Cylinder Sleeve is a tubular metal item designed primarily as a replaceable wear surface within the cylinder bore of a piston type internal combustion engine, compressor, or reciprocating pump.

Question 8

What is a Hydraulic System Fuse?

Accepted Answer

A Hydraulic System Fuse (FUSE,HYDRAULIC SYSTEM) is a valve-like safety device used on hydraulic lines to prevent loss of hydraulic fluid from the system when the lines are ruptured or fail for any reason.

Question 9

What is a Hydraulic Accumulator?

Accepted Answer

A Hydraulic Accumulator (ACCUMULATOR,HYDRAULIC) is an accumulator in which liquids are stored under pressure for momentary energy in a hydraulic system. Excludes ACCUMULATOR, HYDRAULIC, SQUIB ACTUATED.

Question 10

What is a Pneumatic Accumulator?

Accepted Answer

A Pneumatic Accumulator (ACCUMULATOR,PNEUMATIC) is an accumulator in which gases are stored under pressure for momentary energy in a pneumatic system.

Question 11

What is a Linear Actuating Cylinder?

Accepted Answer

A Linear Actuating Cylinder (CYLINDER,ACTUATING,LINEAR) is a cylinder designed to house a piston and other necessary component parts of a CYLINDER ASSEMBLY, ACTUATING, LINEAR. Do not use if a more specific name applies.

Question 12

What is a Fluid Filter Head?

Accepted Answer

A Fluid Filter Head (HEAD,FLUID FILTER) is a component of a fluid filter designed to contain the inlet and/or outlet ports of the filter. It acts as a cover and attaches to the fluid filter body or mounts directly to an integral cavity in an engine, manifold, casing, or the like. The item may include relief, check, by-pass valves, and/or fluid filter element(s). It may have means for supporting the filter element(s), and means for mounting the filter. Excludes HEAD, SEDIMENT STRAINER and COVER, FLUID FILTER.

Question 13

What is a Fluid Filter Body?

Accepted Answer

A Fluid Filter Body (FILTER BODY,FLUID) is a component of a FILTER, FLUID designed to contain the FILTER ELEMENT, FLUID and attach to the HEAD, FLUID FILTER or the COVER, ACCESS. It may have inlet and/or outlet connections, means for mounting a drain plug(s), check, relief and or by-pass valves. Excludes BOWL, SEDIMENT.See also STRAINER BODY, SEDIMENT.

Question 14

What is a Hydraulic Accumulator Cylinder?

Accepted Answer

A Hydraulic Accumulator Cylinder (CYLINDER,HYDRAULIC ACCUMULATOR) is a cylinder designed to house a piston and other necessary component parts of a hydraulic accumulator.

Question 15

What is a Servocylinder?

Accepted Answer

A Servocylinder is a hydraulically or pneumatically powered actuating cylinder with provisions for directional control (positioning) in direct relation with a primary control of comparatively low level force. The primary control input to the servocylinder may be mechanical and/or electrical.

Question 16

What is a Linear Actuating Cylinder Assembly?

Accepted Answer

A Linear Actuating Cylinder Assembly (CYLINDER ASSEMBLY,ACTUATING,LINEAR) is a cylinder containing a piston and other component parts designed to develop linear motion required to operate a given object(s) with energy generated from either pneumatic or hydraulic pressure(s). See also CYLINDER, ACTUATING, LINEAR. Do not use if a more specific name applies.

Question 17

What is a Liquid Pump Housing?

Accepted Answer

A Liquid Pump Housing (HOUSING,LIQUID PUMP) is a complete enclosure which protects the internal components of a PUMP, (as modified). It may or may not include the intake and outlet ports of the pump. For housings which enclose only a portion of the pump, see HOUSING SECTION, LIQUID PUMP.

Question 18

What is a Fluid Filter?

Accepted Answer

A Fluid Filter (FILTER,FLUID) is a filter having inlet and outlet connections and designed to be connected in a pipe, tube or hose line. For spin-on, base-mounted filtering devices with integral outer casings, see FILTER ELEMENT, FLUID. Excludes AIR CONDITIONER.

Question 19

What is a Fluid Filter Element?

Accepted Answer

A Fluid Filter Element (FILTER ELEMENT,FLUID) is a replaceable device designed to remove solid particles from fluids ranging in density from heavy liquids to gases. The removal of particles is accomplished by porous material (metallic or non-metallic), stacked disks, wound wire, or the like, constructed so the fluid can flow through the device while the solid particles are retained. It may be designed to fit into a FILTER, FLUID (or similar cavity), or it may have an integral outer casing and mounting facilities and be designed to connect directly to an engine, compressor, or the like. The degree of removal of particles must be nominally rated at less than 50 microns or absolutely rated at less than 75 microns. Excludes FILTER ELEMENT, AIR CONDITIONING. See also STRAINER ELEMENT, SEDIMENT.

Question 20

What is a Valve Disk?

Accepted Answer

A Valve Disk (DISK,VALVE) is an item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.

Question 21

What is a Hydraulic Manifold Assembly?

Accepted Answer

A Hydraulic Manifold Assembly (MANIFOLD ASSEMBLY,HYDRAULIC) is a hydraulic system component designed to distribute fluids between components such as accumulators, restrictors, valves, filters and the like. It includes some or all of the above components.

Question 22

What is an Aircraft Components Modification Kit?

Accepted Answer

An Aircraft Components Modification Kit (MODIFICATION KIT,AIRCRAFT COMPONENTS) is an item or items employed individually or conjunctively to modify aircraft components.

Question 23

What is an Aircraft Brake Housing?

Accepted Answer

An Aircraft Brake Housing (HOUSING,BRAKE,AIRCRAFT) is an item designed to enclose brake disks and related parts (retainers, shaft, bearings, etc.) and accept the torque load indirectly from the brake system. Excludes aircraft wheel brakes.

Question 24

What is an Aircraft Hydraulic-Pneumatic Servomechanism?

Accepted Answer

An Aircraft Hydraulic-Pneumatic Servomechanism (SERVOMECHANISM,HYDRAULIC-PNEUMATIC,AIRCRAFT) is a hydraulic/pneumatic operated device which upon receiving signals transmits energy to effect mechanical changes or correction in position, speed and power output.

Question 25

What is an Aircraft Components Boot?

Accepted Answer

An Aircraft Components Boot (BOOT,AIRCRAFT COMPONENTS) is a flexible, nonmetallic item designed to prevent entry of dust, moisture and other contaminants into critical areas around aircraft components.  Sealing may be either static or dynamic.  The item may include mounting hardware (support plates, clamps and the like).  Excludes BOOT, DUST AND MOISTURE SEAL.

Question 26

What is an Aircraft Hydraulic Swivel Joint?

Accepted Answer

An Aircraft Hydraulic Swivel Joint (SWIVEL JOINT,HYDRAULIC,AIRCRAFT) is a mechanical fluid passage joint designed for linkage of aircraft rigid hydraulic lines and components subject to pivotal, linear, or rotational position changes.The device allows two-directional flow of high pressure fluid and permits single plane rotation upon its axis.It may also allow for angular movement.Excludes SWIVEL JOINT, PIPE; and SWIVEL JOINT, TUBE.

Question 27

What is an Aircraft Fluid Pressure Regulating Valve?

Accepted Answer

An Aircraft Fluid Pressure Regulating Valve (VALVE,FLUID PRESSURE REGULATING,AIRCRAFT) is a valve specifically designed for aircraft use designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure.  It is designed for use with compressed gas(es) and various liquids and may include gauges.  It may be inline or cartridge (manifold) design.  See also VALVE, REGULATING, FLUID PRESSURE.

Question 28

What is a Deicer Boot?

Accepted Answer

A Deicer Boot (BOOT,DEICER) is a flexible inflatable rubber component of an aircraft deicing system. It is designed to be attached to the leading edge of an airfoil and be expanded by inflation to break off surface ice.

Question 29

What is a Cylinder Sleeve And Piston Assembly?

Accepted Answer

A Cylinder Sleeve And Piston Assembly is a CYLINDER SLEEVE and PISTON (1), (as modified) with one or more of the following: piston pin, piston ring, gaskets and/or seals, grouped as a single unit and intended for one time replacement in the repair of engines, compressors, pumps, and the like.

Question 30

What is a Mechanical Drive Housing?

Accepted Answer

A Mechanical Drive Housing (HOUSING,MECHANICAL DRIVE) is an item fabricated from a single, internally cored casting, or composed of two or more separate castings, and designed to position and protect bearings, shafts, gears, and/or other components required for a mechanical drive. Includes items having access hole(s) to facilitate machining and assembling of components. It may include the access hole cover plate(s).

Question 31

What is a Detent Plunger?

Accepted Answer

A Detent Plunger (PLUNGER,DETENT) is a metallic item, solid or tubular, having one closed end formed to fit into a shallow recess or groove, or having a flat or concave surface used to exert pressure against a component part. It is designed for use with a SPRING, HELICAL, COMPRESSION, which exerts pressure to hold a shaft, pin, or the like, in a semirigid position in housings or other mechanical devices. Does not have internal or external threads. Excludes PLUNGER, QUICK RELEASE. For electrical items, see DETENT, SWITCH and PLUNGER, SOLENOID. See also CATCH, FRICTION.

Question 32

What is a Linear Actuating Cylinder Cap?

Accepted Answer

A Linear Actuating Cylinder Cap (CAP,LINEAR ACTUATING CYLINDER) is an item designed to attach to and enclose the cylinder bore of a linear actuating cylinder opposite the actuating end. It may have facilities for mounting the actuating cylinder assembly. The item may include ports, valves, and the like. For items on the actuating end, see HEAD, LINEAR ACTUATING CYLINDER.

Question 33

What is a Linear Actuating Cylinder Piston?

Accepted Answer

A Linear Actuating Cylinder Piston (PISTON,LINEAR ACTUATING CYLINDER) is a cylindrical item which moves or reciprocates in a linear actuating cylinder to convert fluid energy to mechanical force.  It may include an integral rod.

Question 34

What is a Linear Actuating Cylinder Piston Rod?

Accepted Answer

A Linear Actuating Cylinder Piston Rod (ROD,PISTON,LINEAR ACTUATING CYLINDER) is a cylindrical item with one end designed to mate with the piston of a linear actuating cylinder. The external end is designed for the attachment of a connection or the connection may be an integral part of the rod. The rod is designed to extend through a linear actuating cylinder cap, or the like.

Question 35

What is a Hydraulic Servovalve?

Accepted Answer

A Hydraulic Servovalve (SERVOVALVE,HYDRAULIC) is an item which controls both the direction and the rate of flow of fluid in direct response to a primary control of comparatively low level force. It is used for positioning a linear actuating cylinder assembly, and for controlling the rate of travel of the piston. The primary control force may be mechanical, hydraulic, and/or electrical.

Question 36

What is a Linear Actuating Cylinder Head?

Accepted Answer

A Linear Actuating Cylinder Head (HEAD,LINEAR ACTUATING CYLINDER) is an item designed to attach to the actuating end of a linear cylinder. It has an orifice to accommodate a piston rod and packing, bearing, or the like to retain fluid in the cylinder assembly. The item may include ports, valves, and the like. For items opposite the actuating end, see CAP, LINEAR ACTUATING CYLINDER.

Question 37

What is an Emergency Ram Air Power Unit?

Accepted Answer

An Emergency Ram Air Power Unit (POWER UNIT,RAM AIR,EMERGENCY) is a device which includes a turbine, governor, speedsensing device, and a gear box. Its power source is ram air. It is designed to produce a predetermined output shaft speed to operate a hydraulic pump and/or an electric generator drive, which furnishes emergency power to aircraft in case of hydraulic and/or electrical system failure. The unit may include the pump and/or the generator. For items which provide power during normal aircraft operation, see DRIVE, CONSTANT SPEED (as modified).

Question 38

What is a Flutter Dampener Piston Rod?

Accepted Answer

A Flutter Dampener Piston Rod (ROD,PISTON,FLUTTER DAMPENER) is a basically cylindrical item designed to mate with the piston(s) of a flutter dampener.

Question 39

What is a Directional Control Linear Valve Sleeve?

Accepted Answer

A Directional Control Linear Valve Sleeve (SLEEVE,DIRECTIONAL CONTROL LINEAR VALVE) is a cylindrical item with an opening throughout its length which may be of cylindrical or other cross-sectional shape. It has external grooves for fluid flow, and may have external packing grooves. This item provides internal porting for various inlet and outlet ports of a directional control linear valve.

Question 40

What is a Directional Control Linear Valve Slide?

Accepted Answer

A Directional Control Linear Valve Slide (SLIDE,DIRECTIONAL CONTROL LINEAR VALVE) is an item which may have a cylindrical or other cross-sectional shape, with recess areas on the periphery. It is designed to control the flow direction in a linear directional control valve by the selection of various inlet and outlet ports in a sleeve or the valve body. The slide reciprocates thus mating recess areas with the various ports in the sleeve or valve body. It may have an off (no flow) position.

Aircraft Hydraulic, Vacuum, and De-icing System Components - France (FR)

Federal Supply Class (FSC): 1650

NATO Supply Classification Class (NSC): 1650

Federal Supply Group (FSG): 16 Aerospace Craft Components and Accessories

NATO Supply Classification Group (NSG): 16 Aerospace Craft Components and Accessories

Items Managed by France (FR) - NCB is 14

Page 12 of 34

NSN Format for Aircraft Hydraulic, Vacuum, and De-icing System Components
Codified by France

Frequently Asked Questions(FAQ) for Federal Supply Class 1650

Supply Items Included in Federal Supply Class 1650

Stock Items From Supply Class 1650 Page 12 of 34