Part Number
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 55988 | PACIFIC SCIENTIFIC CO MOTOR AND CONT |
Federal Supply Class
Title
ELECTRICAL CONTACT BRUSHES AND E
Inclusions:
INCLUDES BRUSHES FOR ELECTRICAL ROTATING EQUIPMENT; CARBON STOCK FOR BRUSHES; BRUSH ARM AND HOLDERS; LIGHTING ELECTRODES.
Exclusions:
EXCLUDES ANODES; CATHODES; WELDING ELECTRODES.
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ABGL | WIDTH | 0.866 INCHES MINIMUM AND 0.870 INCHES MAXIMUM |
| BTHR | TOP STYLE | FLAT WITH RECTANGULAR SLOT |
| ABGG | RADIUS | 0.906 INCHES NOMINAL |
| AHXP | BRUSH SHUNT LENGTH | 0.938 INCHES NOMINAL 2ND SHUNT |
| AABU | SHUNT POSITION DESIGNATOR | 2 AND 8 |
| MATT | MATERIAL | METAL GRAPHITE |
| ABNM | THICKNESS | 0.289 INCHES MINIMUM AND 0.293 INCHES MAXIMUM |
| CRBG | SHUNT INSULATION PROVISION AND QUANTITY | 2 UNINSULATED |
| CQGT | CONTACT FACE STYLE | CONCAVE |
| AHXP | BRUSH SHUNT LENGTH | 1.312 INCHES NOMINAL 1ST SHUNT |
| ABRY | LENGTH | 0.875 INCHES NOMINAL |
| AHXR | TERMINAL SLOT WIDTH | 0.281 INCHES NOMINAL |
| AAZT | SLOT DEPTH | 0.062 INCHES NOMINAL |
| AAQL | BODY STYLE | RECTANGULAR COMMUTATOR |
| STYL | STYLE DESIGNATOR | ONE PIECE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | HELWIG CARBON GRADE 697 MFR MFR REF SINGLE MATERIAL RESPONSE |
| ABGC | SLOT WIDTH | 0.250 INCHES NOMINAL |
| CRPH | OUTER EDGE TO SLOT EDGE DISTANCE | 0.312 INCHES NOMINAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 1 FLAG W/SLOT |