| 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) | 00-922-1266 (009221266) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Corp, Bae Systems Inc, Associated Aircraft Manufacturing, American Telephone And Telegraph Co |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABMK | OVERALL WIDTH | 0.406 INCHES NOMINAL |
| ABNM | THICKNESS | 0.245 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.3120 INCHES NOMINAL |
| ADCQ | PLAIN HOLE DIAMETER | 0.1660 INCHES NOMINAL |
| AEUY | DISTANCE FROM BORE CENTERLINE TO END | 0.437 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 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND B-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PD333087557 MFR REF SINGLE TREATMENT RESPONSE |
| STYL | STYLE DESIGNATOR | RECTANGULAR,SINGLE BOLT SECURED |
| Relevant Components for NSN - 3040-00-922-1266, 3040009221266 | ||||
| 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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