5977-01-037-9679, BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-01-037-9679

Federal Supply Class:
5977

National Item Identification Number:
010379679

Description:
BRUSH,ELECTRICAL CONTACT

Detail:
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.

Manufacturer Information:

80284	00462	GOODRICH CORPORATION DBA TRW LUCAS AEROSPACE
80284	82402	TRIUMPH GEAR SYSTEMS INC

Techincal Specification:

BODY STYLE	RECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH	0.970 INCHES MINIMUM AND 1.030 INCHES MAXIMUM ALL SHUNTS
CONTACT FACE STYLE	CONCAVE
LENGTH	0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
OUTER EDGE TO SLOT EDGE DISTANCE	0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	HELWIG CARBON,INC GRADE 673 MFR REF SINGLE MATERIAL RESPONSE
MATERIAL	METAL GRAPHITE
SPECIAL FEATURES	100 MICROINCH FINISH SURFACE
RADIUS	0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM
SHUNT INSULATION PROVISION AND QUANTITY	2 UNINSULATED
SHUNT POSITION DESIGNATOR	2 AND 8
SLOT DEPTH	0.022 INCHES MINIMUM AND 0.042 INCHES MAXIMUM
SLOT WIDTH	0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM
WIDTH	0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
STYLE DESIGNATOR	ONE PIECE
TERMINAL TYPE AND QUANTITY	2 STRAIGHT W/HOLE
THICKNESS	0.310 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
TOP STYLE	FLAT WITH RECTANGULAR SLOT

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