NSN 5977-00-139-5379
Part Details | ELECTRICAL CONTACT BRUSH
5977-00-139-5379 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: B84991, B8499-1, 25597613140101, 25-597613-140-1-01, 5977-00-139-5379, 00-139-5379, 5977001395379, 001395379
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | SEP 01, 1971 | 00-139-5379 | 00302 ( BRUSH, ELECTRICAL CONTACT ) |
REFERENCE DRAWINGS & PICTURES
RECTANGULAR COMMUTATOR
FLAT WITH RECTANGULAR SLOT
CONCAVE
ONE PIECE
Cross Reference | NSN 5977-00-139-5379
Part Number | Cage Code | Manufacturer |
---|---|---|
B8499-1 | 44180 | EMERSON ELECTRIC CO EMERSONINDUSTRIAL CONTROLS DIV DC MOTOR |
25-597613-140-1-01 | 28118 | HELWIG CARBON PRODUCTS, INC. |
Technical Data | NSN 5977-00-139-5379
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | ONE PIECE |
MATERIAL | ELECTROGRAPHITIC |
MATERIAL DOCUMENT AND CLASSIFICATION | HELWIG CARBON PRODUCTS INC GRADE E22 MFR REF SINGLE MATERIAL RESPONSE |
BODY STYLE | RECTANGULAR COMMUTATOR |
WIDTH | 0.760 INCHES NOMINAL |
THICKNESS | 0.590 INCHES NOMINAL |
LENGTH | 1.375 INCHES NOMINAL |
CONTACT FACE STYLE | CONCAVE |
TOP STYLE | FLAT WITH RECTANGULAR SLOT |
SLOT DEPTH | 0.031 INCHES NOMINAL |
SLOT WIDTH | 0.281 INCHES NOMINAL |
OUTER EDGE TO SLOT EDGE DISTANCE | 0.239 INCHES NOMINAL |
SHUNT INSULATION PROVISION AND QUANTITY | 1 UNINSULATED |
SHUNT POSITION DESIGNATOR | 8 |
TERMINAL TYPE AND QUANTITY | 1 TUBULAR W/HOLE |
TERMINAL HOLE DIAMETER | 0.219 INCHES NOMINAL |