AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Clamp Hub |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 01-231-3949 (012313949) |
| NCB Code | USA (01) |
| Manufacturer | H K Fittings Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABKV | OUTSIDE DIAMETER | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM |
| ABNM | THICKNESS | 0.430 INCHES MINIMUM AND 0.446 INCHES MAXIMUM |
| ABXV | BORE DIAMETER | 0.6250 INCHES NOMINAL |
| AHYJ | CLAMP SECURING HOLE STYLE | THREADED |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNC |
| CQJX | NOMINAL THREAD SIZE | 0.625 INCHES |
| FEAT | SPECIAL FEATURES | CLAMP SCREWS ARE SOCKET HEAD CAP SCREWS EITHER ALLOY STEEL OR AUSTENITIC STAINLESS |
| MATT | MATERIAL | STEEL |
| STYL | STYLE DESIGNATOR | ROUND,SINGLE BOLT SECURED |
| Relevant Components for NSN - 3040-01-231-3949, 3040012313949 | ||||
| 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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