NSN 5977-00-437-8111

Part Details | ELECTRICAL CONTACT BRUSH


5977-00-437-8111 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.

Alternate Parts: 221B178H01, 5977-00-437-8111, 00-437-8111, 5977004378111, 004378111

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59SEP 12, 196900-437-811100302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

CONCAVE ON BEVEL

ONE PIECE


Cross Reference | NSN 5977-00-437-8111
Part Number Cage Code Manufacturer
221B178H0197942NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN SYSTEMS

Technical Data | NSN 5977-00-437-8111
Characteristic Specifications
STYLE DESIGNATOR ONE PIECE
MATERIALGC000 ANY ACCEPTABLE
BODY STYLE RECTANGULAR COMMUTATOR
CONTACT FACE STYLE CONCAVE ON BEVEL
RADIUS1.091 INCHES NOMINAL
PRECIOUS MATERIAL SILVER
PRECIOUS MATERIAL AND WEIGHT0.040 SILVER GRAINS, TROY
PRECIOUS MATERIAL AND LOCATIONBRUSH SILVER