| Item Name | Brake Drum |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 01-067-3855 (010673855) |
| NCB Code | USA (01) |
| Manufacturer | Cooper Industries Inc, Level 10 Industries Inc, Tool House Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 1.257 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.312 INCHES NOMINAL |
| ABTJ | MOUNTING HOLE QUANTITY | 2 |
| ADGA | OVERALL OUTSIDE DIAMETER | 4.062 INCHES NOMINAL |
| ADYT | CENTER HOLE DIAMETER | 0.365 INCHES NOMINAL |
| ALXY | MOUNTING HOLE SPACING | EQUALLY SPACED ON 2.375 IN. BOLT CIRCLE |
| ANNQ | MATERIAL AND LOCATION | STEEL OVERALL |
| AYPQ | BRAKING SURFACE LOCATION | EXTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 4.062 INCHES NOMINAL |
| AYQB | BRAKING SURFACE WIDTH | 1.257 INCHES NOMINAL |
| AYQF | COOLING FIN | NOT INCLUDED |
| AYQH | ADJUSTMENT HOLE | NOT INCLUDED |
| AYQJ | INSPECTION HOLE | NOT INCLUDED |
| AYQK | OIL DRAIN HOLE | NOT INCLUDED |
| AYQL | BALANCING PAD | NOT INCLUDED |
| FEAT | SPECIAL FEATURES | MTG HOLES THD 0.312-18 UNC 2B RH THD;ONE END OF CENTER HOLE HEX SHAPE0.320 IN. ACROSS FLATS |
| Relevant Components for NSN - 3040-01-067-3855, 3040010673855 | ||||
| 3040-00-037-4479 (3040000374479) | 3010-01-283-8383 (3010012838383) | 3040-01-167-7076 (3040011677076) | 3040-01-607-0785 (3040016070785) | |
| 3020-00-173-7380 (3020001737380) | 3040-01-271-7503 (3040012717503) | 3040-00-690-2219 (3040006902219) | 3040-01-031-7475 (3040010317475) | |
| 3020-01-289-1372 (3020012891372) | 3040-01-171-1542 (3040011711542) | 3030-01-367-5013 (3030013675013) | 3020-01-281-7479 (3020012817479) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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