Product Details | ELECTRICAL CONTACT BRUSH

5977-00-591-4257 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.

Part Alternates: 961A802, 961A802001, 961A802-001, 5977-00-591-4257, 00-591-4257, 5977005914257, 005914257

Electrical and Electronic Equipment Components | Electrical Contact Brushes and Electrodes

Supply Group (FSG) NSN Assign. NIIN
59 01 JAN 1963 00-591-4257

Drawings & Photos | NSN 5977-00-591-4257


Cross Reference | NSN 5977-00-591-4257

Part Number Cage Code Manufacturer
961A802 30221 GENERAL ELECTRIC CO ARMAMENT AND ELECTRICAL SYSTEMS DEPT
961A802-001 30221 GENERAL ELECTRIC CO ARMAMENT AND ELECTRICAL SYSTEMS DEPT

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Technical Data | NSN 5977-00-591-4257

Characteristic Specifications
STYLE DESIGNATOR A1 ONE PIECE
MATERIAL CARBON
BODY STYLE B3 RECTANGULAR COMMUTATOR
WIDTH 1.250 INCHES NOMINAL
THICKNESS 0.250 INCHES NOMINAL
LENGTH 1.875 INCHES NOMINAL
CONTACT FACE STYLE D1 BEVELED
BEVEL ANGLE 20.0 DEGREES NOMINAL
TOP STYLE E16A BEVELED FRONT
ANGLE 30.0 DEGREES NOMINAL
SHUNT INSULATION PROVISION AND QUANTITY 1 INSULATED
SHUNT POSITION DESIGNATOR 3
BRUSH SHUNT LENGTH 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM SINGLE SHUNT
TERMINAL TYPE AND QUANTITY 1 ROUND CAP W/EARS AND 1 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5977-00-591-4257

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 040580 CARBON BRUSHES GENERATOR/MOTOR
Less than car load rating
Less than truck load rating M 85.0
Water commodity Code 72D unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable