NSN 5977-00-239-7078

Part Details | ELECTRICAL CONTACT BRUSH

5977-00-239-7078 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: G159780PC3, G158967, G158-967, 05180051066, 05-180-051-066, 0518005100066, 05-180-051-00-066, K172471PC5EG7788, 0112762H, 01-12762-H, MB12762CEG7788, 0112762H, 01-12762-H, 0112762, 01-12762, NEMAPUBCB11961, NEMAPUBCB1-1961, 5977-00-239-7078, 00-239-7078, 5977002397078, 002397078

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
59JAN 01, 196300-239-707800302 ( BRUSH, ELECTRICAL CONTACT )
REFERENCE DRAWINGS & PICTURES

RECTANGULAR COMMUTATOR

BRUSH,ELECTRICAL CO | 5977-00-239-7078, 002397078

FLAT

BRUSH,ELECTRICAL CO | 5977-00-239-7078, 002397078

BEVELED

BRUSH,ELECTRICAL CO | 5977-00-239-7078, 002397078

SPLIT

BRUSH,ELECTRICAL CO | 5977-00-239-7078, 002397078
Cross Reference | NSN 5977-00-239-7078
Part Number Cage Code Manufacturer
G159780PC392392ALLIS-CHALMERS CORP
G158-96792392ALLIS-CHALMERS CORP
05-180-051-06692392ALLIS-CHALMERS CORP
05-180-051-00-06688658ALLIS-CHALMERS CORP
K172471PC5EG778892392ALLIS-CHALMERS CORP
01-12762-H76468MORGANITE INC
MB12762CEG778876468MORGANITE INC
01-12762-H0AHP6NATIONAL ELECTRICAL CARBON PRODUCTS,INC.
01-127620AHP6NATIONAL ELECTRICAL CARBON PRODUCTS,INC.
NEMAPUBCB1-196181705NATIONAL ELECTRICAL MFRS ASSN
Technical Data | NSN 5977-00-239-7078
Characteristic Specifications
STYLE DESIGNATOR SPLIT
MATERIAL ELECTROGRAPHITIC
MATERIAL DOCUMENT AND CLASSIFICATIONMORGANITE INC,GR EG7788 MFR REF SINGLE MATERIAL RESPONSE
BODY STYLE RECTANGULAR COMMUTATOR
WIDTH1.250 INCHES NOMINAL
THICKNESS0.750 INCHES NOMINAL
LENGTH2.750 INCHES NOMINAL
CONTACT FACE STYLE BEVELED
BEVEL ANGLE15.0 DEGREES NOMINAL
TOP STYLE6A FLAT
ANGLE20.0 DEGREES NOMINAL
CLIP TYPE NEMA HAMMER TYPE A
SHUNT INSULATION PROVISION AND QUANTITY4 UNINSULATED
SHUNT POSITION DESIGNATORA2$$A8
TERMINAL TYPE AND QUANTITY2 STRAIGHT W/SLOT
TERMINAL SLOT WIDTH0.219 INCHES NOMINAL
SPECIAL FEATURESCENTER OF CLIP TURNED UP 0.250 IN. W 0.188 IN. LG IN LINE WITH BACK BRUSH
CRITICALITY CODE JUSTIFICATIONAMATT$$AMDCL
PERIPHERAL SPEED8000 FEET PER MINUTE