AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-019-5175 (000195175) |
| NCB Code | USA (00) |
| Manufacturer | Tuthill Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 5.750 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.516 INCHES NOMINAL |
| ABTJ | MOUNTING HOLE QUANTITY | 6 |
| ADGA | OVERALL OUTSIDE DIAMETER | 16.500 INCHES NOMINAL |
| ADYT | CENTER HOLE DIAMETER | 9.000 INCHES MINIMUM AND 9.005 INCHES MAXIMUM |
| ALXY | MOUNTING HOLE SPACING | EQUALLY SPACED ON 10.500 IN. BOLT CIRCLE |
| ANNQ | MATERIAL AND LOCATION | IRON,CAST OVERALL |
| AYPQ | BRAKING SURFACE LOCATION | INTERNAL |
| AYQA | BRAKING SURFACE DIAMETER | 15.000 INCHES MINIMUM AND 15.010 INCHES MAXIMUM |
| AYQB | BRAKING SURFACE WIDTH | 4.688 INCHES NOMINAL |
| AYQF | COOLING FIN | NOT INCLUDED |
| AYQJ | INSPECTION HOLE | INCLUDED |
| AYQK | OIL DRAIN HOLE | NOT INCLUDED |
| AYQL | BALANCING PAD | NOT INCLUDED |
| Relevant Components for NSN - 3040-00-019-5175, 3040000195175 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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