What is Federal Supply Class 5977?

FSC 5977 is the Federal Supply Class (formally known as NATO Supply Classification Class NSC 5977) in the USA for supply items codified in the category of Electrical Contact Brushes and Electrodes.

What is NATO Supply Classification Class 5977?

NSC 5977 is the NATO Supply Classification Class (also known as Federal Supply Class FSC 5977 in the USA) for supply items codified in the category of Electrical Contact Brushes and Electrodes.

Which Federal Supply Group is FSC 5977 in?

FSC 5977 is in Federal Supply Group (FSG) 59 which contains Electrical and Electronic Equipment Components.

Which NATO Supply Classification Group is NSC 5977 in?

NSC 5977is in NATO Supply Classification Group (NSG) 59 which contains Electrical and Electronic Equipment Components.

What is an Electrical Contact Brush Holder Assembly?

An Electrical Contact Brush Holder Assembly (HOLDER ASSEMBLY,ELECTRICAL CONTACT BRUSH) is an item consisting of two or more HOLDER, ELECTRICAL CONTACT BRUSH on a common mounting or mounted on each other, or one HOLDER, ELECTRICAL CONTACT BRUSH mounted on a bracket. May include facilities for applying pressure to the brush(es) and may also be furnished with the brush(es). For items consisting of two or more brush holders (boxes) cast as an inseparable unit, see HOLDER, ELECTRICAL CONTACT BRUSH. See also RING, HOLDER, ELECTRICAL BRUSH.

What is an Electrical Contact Brush?

An Electrical Contact Brush (BRUSH,ELECTRICAL CONTACT) is an item specifically designed to be used in the transfer of electrical energy to or from another conducting surface. Either the brush or the surface is continually moving during the transfer of energy. The brush is usually composed in part of some form of the element carbon. Includes: (1) a single brush either with or without an attached shunt (flexible wire lead) and/or a helical or flat type pressure spring; (2) a split brush composed of two or more pieces (wafers), which are used in place of one brush usually connected together by individual shunts to a common terminal; (3) paired brushes composed of two identical or non-identical brushes connected together by a common shunt either with or without pressure springs or connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like either with or without individual shunts; (4) multiple brushes composed of more than two identical or non-identical brushes without pressure springs connected by individual shunts to a common terminal, or with pressure springs and connected to a common bar, bracket or the like by individual shunts. Does not include moving contacts which make and slide past stationary contacts, but are stationary while the circuit is conducting, such as the sliding contacts on a rheostat or the stationary contact on a synchro. Excludes: CONTACT, ELECTRICAL; and CONTACT ASSEMBLY, ELECTRICAL.

What is an Electrical Contact Ring Assembly?

An Electrical Contact Ring Assembly (RING ASSEMBLY,ELECTRICAL CONTACT) is two or more electrical contact rings on a common mounting or mounted on each other. May include contacts, integral brushes, brush holder assemblies, and connectors.

What is an Electrical Contact Ring?

An Electrical Contact Ring (RING,ELECTRICAL CONTACT) is an item consisting of a continuous electrically conductive material of circular or ring shape specifically designed to be used in conjunction with a contact brush to establish an electrical circuit between a rotating item and a stationary item. See also COMMUTATOR.

What is an Electrode?

An Electrode is an item of electrically conductive material which acts as a terminal through which an electric current enters or leaves a liquid or gas. The item does not provide filler material or act as a lighting media. Excludes ELECTRODE, WELDING; ELECTRODE, CUTTING, TUBULAR and ELECTRODE, CARBON, LIGHTING.

What is an Electrical Contact Brush Holder?

An Electrical Contact Brush Holder (HOLDER,ELECTRICAL CONTACT BRUSH) is a holder designed to accommodate and position a brush against a commutator or collector ring. Also includes items consisting of two or more brush holders (boxes) cast as an inseparable unit. May include facilities for applying pressure to the brush(es) and may also be furnished with the brush(es). See also HOLDER ASSEMBLY, ELECTRICAL CONTACT BRUSH.

What is an Electrical Contact Brush Set?

An Electrical Contact Brush Set (BRUSH SET,ELECTRICAL CONTACT) is a combination of two or more brushes conforming to the item name BRUSH, ELECTRICAL CONTACT, used as a set in a specific piece of equipment. The individual brushes may be identical or nonidentical. For two or more brushes connected together by a common shunt, pressure bar, etc., see BRUSH, ELECTRICAL CONTACT. Excludes CONTACT ASSEMBLY, ELECTRICAL and CONTACT SET (as modified)

What is an Electrical Contact Brush Arm?

An Electrical Contact Brush Arm (ARM,ELECTRICAL CONTACT BRUSH) is an item designed to transmit pressure to a BRUSH, ELECTRICAL CONTACT for the purpose of maintaining contact between the brush and another conducting surface for the transfer of electrical energy. The item may include one or more pressure springs or tension springs.

What is an Electrical Contact Brush Holder Ring?

An Electrical Contact Brush Holder Ring (RING,ELECTRICAL CONTACT BRUSH HOLDER) is an item made of metallic or insulating material to form a rigid loop whose axial length does not exceed 25 percent of its outside dimensions. It performs the function of retaining and positioning one or more HOLDER, ELECTRICAL CONTACT BRUSH. The item does not include the brush holder(s).

Electrical Contact Brushes and Electrodes - United Kingdom (UK)

Federal Supply Class (FSC): 5977

NATO Supply Classification Class (NSC): 5977

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 5 of 13

NSN Format for Electrical Contact Brushes and Electrodes
Codified by United Kingdom

59	77	99	XXX
Group FSG	Class	NCB	Identifier
FSC Federal Supply Class		NIIN
NSN

NATO Supply Class 5977 is a classification within NATO Supply Group 59, which is dedicated to Electrical And Electronic Equipment Components.

Specifically, NATO Supply Class 5977 focuses on Electrical Contact Brushes And Electrodes. These components are used in various electrical and electronic equipment to establish and maintain electrical contact between moving parts.

Electrical contact brushes are typically made of conductive materials such as carbon or metal alloys, and they are designed to be in direct contact with other conductive surfaces. They are commonly used in applications such as motors, generators, switches, and connectors.

Electrodes, on the other hand, are used in various electrical systems for purposes such as grounding, welding, or measuring electrical signals. They can be made of different materials depending on the specific application, including metals, graphite, or specialized alloys.

NATO Supply Class 5977 includes a wide range of brushes and electrodes, each designed for specific electrical and electronic equipment requirements. These components are essential for ensuring reliable electrical connections and efficient operation of various systems.

When procuring electrical contact brushes and electrodes, it is important to consider factors such as the specific application, compatibility with the equipment, durability, and performance requirements.

FSC 5977 Electrical Contact Brushes and Electrodes - United Kingdom (UK)

Includes Brushes for electrical rotating equipment; Carbon Stock for Brushes; Brush Arm and Holders; Lighting Electrodes.

Excludes Anodes; Cathodes; Welding Electrodes.

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 5977

Supply Items Included in Federal Supply Class 5977

Stock Items From Supply Class 5977 Page 5 of 13