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 |
|---|---|
| 28118 | HELWIG CARBON PRODUCTS INC. |
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 |
|---|---|---|
| MATT | MATERIAL | CARBON |
| BTHR | TOP STYLE | BEVELED BACK |
| ABGL | WIDTH | 1.500 INCHES NOMINAL |
| CQGT | CONTACT FACE STYLE | BEVELED |
| CRBG | SHUNT INSULATION PROVISION AND QUANTITY | 2 UNINSULATED |
| AHXP | BRUSH SHUNT LENGTH | 4.500 INCHES MINIMUM ALL SHUNTS |
| AAQL | BODY STYLE | RECTANGULAR |
| ABRY | LENGTH | 2.250 INCHES NOMINAL |
| AHXR | TERMINAL SLOT WIDTH | 0.281 INCHES NOMINAL |
| TTQY | TERMINAL TYPE AND QUANTITY | 1 STRAIGHT W/SLOT |
| STYL | STYLE DESIGNATOR | ONE PIECE |
| CQPY | BEVEL ANGLE | 28.5 DEGREES NOMINAL |
| CQYQ | CLIP TYPE | NEMA HAMMER TYPE A |
| AABU | SHUNT POSITION DESIGNATOR | 1 AND 2 |
| CRMK | ANGLE | 35.0 DEGREES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | HELWIG GRADE E45 MFR REF SINGLE MATERIAL RESPONSE |
| ABNM | THICKNESS | 0.500 INCHES NOMINAL |