| 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 |
| Components Related to NSN - 3040-01-067-3855, 3040010673855 | ||||
| 3020-01-535-5810 (3020015355810) | 3010-01-324-0872 (3010013240872) | 3020-01-134-1350 (3020011341350) | 3040-00-949-0707 (3040009490707) | |
| 3040-01-622-7963 (3040016227963) | 3020-00-143-2383 (3020001432383) | 3020-00-825-4676 (3020008254676) | 3040-01-455-9297 (3040014559297) | |
| 3020-01-365-7944 (3020013657944) | 3040-00-315-1062 (3040003151062) | 3040-01-605-3973 (3040016053973) | 3040-01-086-8379 (3040010868379) | |
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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