| 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) | 00-221-9591 (002219591) |
| NCB Code | USA (00) |
| Manufacturer | Bae Systems Inc, Lockheed Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABHP | OVERALL LENGTH | 1.406 INCHES NOMINAL |
| ABMK | OVERALL WIDTH | 0.438 INCHES NOMINAL |
| ABNM | THICKNESS | 0.406 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.2498 INCHES MINIMUM AND 0.2503 INCHES MAXIMUM |
| ADCQ | PLAIN HOLE DIAMETER | 0.1560 INCHES NOMINAL |
| AEUY | DISTANCE FROM BORE CENTERLINE TO END | 0.375 INCHES NOMINAL |
| AHYJ | CLAMP SECURING HOLE STYLE | THREADED |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UNC |
| CQJX | NOMINAL THREAD SIZE | 0.138 INCHES |
| MATT | MATERIAL | STEEL COMP 303 OR STEEL COMP 303SE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303 ASSN STD SINGLE MATERIAL RESPONSE AND FED STD 66 FED STD 2ND MATERIAL RESPONSE OR AISI 303SE ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30303S |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STYL | STYLE DESIGNATOR | RECTANGULAR,SINGLE BOLT SECURED |
| Relevant Components for NSN - 3040-00-221-9591, 3040002219591 | ||||
| 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) | |
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