| Item Name | Shaft Straight |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 01-126-3839 (011263839) |
| NCB Code | USA (01) |
| Manufacturer | United States Department Of The Army |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGZ | FIRST END STYLE | HEXAGONAL |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AAHP | SECOND END STYLE | CROSS DRILLED AND EXTERNALLY THREADED |
| ABHP | OVERALL LENGTH | 8.375 INCHES NOMINAL |
| ACKY | FIRST END WIDTH ACROSS FLATS | 1.875 INCHES NOMINAL |
| AMDL | FIRST END DIAMETER | 1.2490 INCHES NOMINAL |
| AMFZ | SECOND END DIAMETER | 1.2500 INCHES NOMINAL |
| AMGS | SECOND END HOLE DIAMETER | 0.2500 INCHES NOMINAL |
| AMGT | SECOND END DISTANCE FROM HOLE CENTER TO END | 0.250 INCHES NOMINAL |
| AMHA | SECOND END EXTERNAL THREAD LENGTH | 1.250 INCHES NOMINAL |
| AMHD | SECOND END HOLE DEPTH | 1.250 INCHES NOMINAL |
| CSQZ | FIRST END STEP LENGTH | 1.062 INCHES NOMINAL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES |
| FEAT | SPECIAL FEATURES | FIRST END-0.188 DRILL 4.000 IN. D,0.312 DRILL 0.875 IN. D,0.125-27 PIPE TAP |
| MATT | MATERIAL | STEEL COMP 1020 |
| Relevant Components for NSN - 3040-01-126-3839, 3040011263839 | ||||
| 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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