| 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) | 00-050-6744 (000506744) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Navair And Navsea Managed |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| ABMK | OVERALL WIDTH | 0.380 INCHES NOMINAL |
| ABNM | THICKNESS | 0.250 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.2120 INCHES MINIMUM AND 0.2180 INCHES MAXIMUM |
| ADCQ | PLAIN HOLE DIAMETER | 0.1530 INCHES MINIMUM AND 0.1590 INCHES MAXIMUM |
| AEUY | DISTANCE FROM BORE CENTERLINE TO END | 0.320 INCHES NOMINAL |
| AHYJ | CLAMP SECURING HOLE STYLE | THREADED |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNC |
| CQJX | NOMINAL THREAD SIZE | 0.107 INCHES |
| CSFN | SURFACE FINISH AND LOCATION | 250 MICROINCHES OVERALL |
| FEAT | SPECIAL FEATURES | BORE THREADED 1/4-28 UNF 2B |
| MATT | MATERIAL | STEEL,QQ-T-570 |
| SFTT | SURFACE TREATMENT | OXIDE |
| STYL | STYLE DESIGNATOR | RECTANGULAR,SINGLE BOLT SECURED |
| Relevant Components for NSN - 3040-00-050-6744, 3040000506744 | ||||
| 3040-01-010-9109 (3040010109109) | 3040-01-513-2760 (3040015132760) | 3040-01-196-1367 (3040011961367) | 3010-01-459-5087 (3010014595087) | |
| 3040-00-073-5479 (3040000735479) | 3020-01-151-3446 (3020011513446) | 3020-00-987-5445 (3020009875445) | 3040-01-085-0276 (3040010850276) | |
| 3040-01-269-0008 (3040012690008) | 3010-01-180-9922 (3010011809922) | 3040-01-515-0489 (3040015150489) | 3040-00-374-1890 (3040003741890) | |
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