| Item Name | Collar Shaft |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 00-254-4893 (002544893) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Barker And Williamson, Smart Machines Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABGG | RADIUS | 0.125 INCHES NOMINAL |
| ABKV | OUTSIDE DIAMETER | 0.500 INCHES NOMINAL |
| ABNM | THICKNESS | 0.437 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 0.2520 INCHES MINIMUM AND 0.2540 INCHES MAXIMUM |
| AHYF | SECURING HOLE QUANTITY | 1 |
| CQBP | SCREW THREAD SERIES DESIGNATOR AND LOCATION | SINGLE HOLE UNC |
| CQKB | SECURING HOLE TYPE AND LOCATION | THREADED SINGLE HOLE |
| CRWB | NOMINAL THREAD SIZE AND LOCATION | 0.164 INCHES SINGLE HOLE |
| MATT | MATERIAL | COPPER ALLOY 360 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,ALLOY 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CHROMIUM |
| STYL | STYLE DESIGNATOR | ROUND W/ SINGLE EDGE |
| Relevant Components for NSN - 3040-00-254-4893, 3040002544893 | ||||
| 3020-00-649-6951 (3020006496951) | 3030-00-872-5477 (3030008725477) | 3020-01-383-5236 (3020013835236) | 3040-00-571-5905 (3040005715905) | |
| 3040-01-471-3613 (3040014713613) | 3040-00-411-8629 (3040004118629) | 3020-00-995-7954 (3020009957954) | 3040-01-260-6892 (3040012606892) | |
| 3040-01-338-4600 (3040013384600) | 3040-01-173-4261 (3040011734261) | 3010-01-079-0635 (3010010790635) | 3040-00-614-3038 (3040006143038) | |
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