Part Details | ELECTRICAL CONTACT BRUSH
5977-00-676-9438 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: 302689476REVDPC38, 302-689476REVDPC38, 302689476PC38, 302-689476PC38, MILB3743, MILB003743, RC321602, RC32-1602, ANSINEMA PUB NO. CB1, ANSI/NEMA PUB NO. CB1, RC321602, RC32-1602, 5977-00-676-9438, 00-676-9438, 5977006769438, 006769438
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 59 | JAN 01, 1963 | 00-676-9438 | 00302 ( BRUSH, ELECTRICAL CONTACT ) |
REFERENCE DRAWINGS & PICTURES
RECTANGULAR COMMUTATOR
FLAT WITH FRONT EDGE BEVELED
CONCAVE
ONE PIECE
Cross Reference | NSN 5977-00-676-9438
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 302-689476REVDPC38 | 80090 | CHARLESTON NAVAL SHIPYARD NAVAL BASE |
| 302-689476PC38 | 80090 | CHARLESTON NAVAL SHIPYARD NAVAL BASE |
| MILB3743 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| MILB003743 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| RC32-1602 | 0AHP6 | NATIONAL ELECTRICAL CARBON PRODUCTS,INC. |
| ANSI/NEMA PUB NO. CB1 | 81705 | NATIONAL ELECTRICAL MFRS ASSN |
| RC32-1602 | 42451 | UCAR CARBON CO INC |
Technical Data | NSN 5977-00-676-9438
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ONE PIECE |
| MATERIAL | GRAPHITE |
| MATERIAL DOCUMENT AND CLASSIFICATION | UNION CARBIDE CORP,GRADE 634 MFR REF SINGLE MATERIAL RESPONSE |
| BODY STYLE | RECTANGULAR COMMUTATOR |
| WIDTH | 0.500 INCHES NOMINAL |
| THICKNESS | 1.000 INCHES NOMINAL |
| LENGTH | 1.250 INCHES NOMINAL |
| CONTACT FACE STYLE | CONCAVE |
| RADIUS | 3.500 INCHES NOMINAL |
| TOP STYLE | FLAT WITH FRONT EDGE BEVELED |
| SHUNT INSULATION PROVISION AND QUANTITY | 1 INSULATED |
| SHUNT POSITION DESIGNATOR | 4 |
| TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/HOLE |
| TERMINAL HOLE DIAMETER | 0.281 INCHES NOMINAL |
| SPECIAL FEATURES | INSULATION BANDED BOTH ENDS |
| PERIPHERAL SPEED | 12000 FEET PER MINUTE |