5977-00-439-2290, BRUSH,ELECTRICAL CONTACT

National Stock Number:
5977-00-439-2290

Federal Supply Class:
5977

National Item Identification Number:
004392290

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:

2618342	01288	GENERAL ELECTRIC CO DIRECT CURRENT MOTOR AND GENERATOR DEPT
2618342	7Y333	ARGO TURBOSERVE CORPORATION
GEA5597C	01288	GENERAL ELECTRIC CO DIRECT CURRENT MOTOR AND GENERATOR DEPT
2618342P01	0AHP6	NATIONAL ELECTRICAL CARBON PRODUCTS, INC.
2618342PC1	97993	GENERAL DYNAMICS DEFENSE SYSTEMS INC. DBA GENERAL DYNAMICS ADVANCED INFORMATION SYSTEMS

Techincal Specification:

ANGLE	29.0 DEGREES MINIMUM AND 31.0 DEGREES MAXIMUM
BEVEL ANGLE	13.0 DEGREES MINIMUM AND 15.0 DEGREES MAXIMUM
BODY STYLE	RECTANGULAR COMMUTATOR
BRUSH SHUNT LENGTH
CLIP LENGTH	0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
CLIP BEVEL ANGLE IN DEG	29.0 MINIMUM AND 31.0 MAXIMUM
CLIP TYPE	NEMA HAMMER TYPE ANGULAR A-EXTENDED
CONTACT FACE STYLE	BEVELED
LENGTH	1.218 INCHES MINIMUM AND 1.282 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	NATIONAL CARBON GRADE -788 MFR REF SINGLE MATERIAL RESPONSE
MATERIAL	METAL GRAPHITE
SHUNT INSULATION PROVISION AND QUANTITY	1 UNINSULATED
SHUNT POSITION DESIGNATOR	2
STYLE DESIGNATOR	ONE PIECE
TERMINAL BEND ANGLE	43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM
TERMINAL SLOT WIDTH	0.193 INCHES MINIMUM AND 0.205 INCHES MAXIMUM
TERMINAL TYPE AND QUANTITY	1 BENT W/SLOT
THICKNESS	0.246 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
TOP STYLE	BEVELED FRONT
WIDTH	1.230 INCHES MINIMUM AND 1.243 INCHES MAXIMUM

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