NSN 5977-01-128-4790
Part Details | ELECTRICAL CONTACT BRUSH
5977-01-128-4790 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: 1852884, 1852884, 5977-01-128-4790, 01-128-4790, 5977011284790, 011284790
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | MAR 22, 1982 | 01-128-4790 | 00302 ( BRUSH, ELECTRICAL CONTACT ) |
REFERENCE DRAWINGS & PICTURES
RECTANGULAR COMMUTATOR

FLAT WITH RECTANGULAR SLOT

FLAT

ONE PIECE

Cross Reference | NSN 5977-01-128-4790
Part Number | Cage Code | Manufacturer |
---|---|---|
1852884 | 16764 | GENERAL MOTORS CORPDELCO REMY DIV |
1852884 | 1LW55 | REMY, INC. |
Technical Data | NSN 5977-01-128-4790
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | ONE PIECE |
MATERIAL | GRAPHITE |
MATERIAL DOCUMENT AND CLASSIFICATION | STACKPOLE CARBON GRADE 5052 MFR REF SINGLE MATERIAL RESPONSE |
BODY STYLE | RECTANGULAR COMMUTATOR |
WIDTH | 37.8 MILLIMETERS MINIMUM AND 38.2 MILLIMETERS MAXIMUM |
THICKNESS | 9.4 MILLIMETERS MINIMUM AND 9.6 MILLIMETERS MAXIMUM |
LENGTH | 20.5 MILLIMETERS MINIMUM AND 21.3 MILLIMETERS MAXIMUM |
CONTACT FACE STYLE | FLAT |
TOP STYLE | FLAT WITH RECTANGULAR SLOT |
SLOT DEPTH | 1.5 MILLIMETERS NOMINAL |
SLOT WIDTH | 13.0 MILLIMETERS NOMINAL |
OUTER EDGE TO SLOT EDGE DISTANCE | 12.4 MILLIMETERS MINIMUM AND 12.6 MILLIMETERS MAXIMUM |
SHUNT INSULATION PROVISION AND QUANTITY | 2 UNINSULATED |
SHUNT POSITION DESIGNATOR | A2$$A8 |
TERMINAL TYPE AND QUANTITY | 1 BENT W/HOLE |
TERMINAL HOLE DIAMETER | 4.3 MILLIMETERS MINIMUM AND 4.4 MILLIMETERS MAXIMUM |
TERMINAL BEND ANGLE | 22.0 DEGREES NOMINAL |
SPECIAL FEATURES | RECTANGULAR SLOT IN TOP OF BRUSH ROUNDED 1.5 MILLIMETERS MAX RADIUS |