AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Shaft Shouldered |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 00-755-4898 (007554898) |
| NCB Code | USA (00) |
| Manufacturer | Springfield Armory |
| MRC | Criteria | Characteristic |
|---|---|---|
| AMFH | FIRST END GROOVED FLAT DEPTH | 0.021 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | SECOND STEP THD,NO. 4(.112)-40 UNC-2A,LOCATED 0.530 IN. LG. FROM SECOND END,SPLINE 0.430 IN. LG |
| AAGZ | FIRST END STYLE | FLAT GROOVED |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AAHP | SECOND END STYLE | SQUARE (ROUND CORNERS) |
| ABHP | OVERALL LENGTH | 3.980 INCHES MINIMUM AND 4.000 INCHES MAXIMUM |
| ACMD | SECOND END WIDTH ACROSS FLATS | 0.077 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| AMCM | FIRST END DISTANCE FROM END TO FLAT | 0.250 INCHES NOMINAL |
| AMDL | FIRST END DIAMETER | 0.1238 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM |
| AMFG | FIRST END GROOVED FLAT LENGTH | 0.2500 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM |
| AMFZ | SECOND END DIAMETER | 0.1120 INCHES NOMINAL |
| ATPC | STEP QUANTITY | 3 |
| CSPY | LARGEST STEP DIAMETER | 0.1238 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 250.0 MICROINCHES |
| CTBM | SECOND END STEP LENGTH | 0.100 INCHES NOMINAL |
| MATT | MATERIAL | STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS 303SE,COND B MIL SPEC SINGLE MATERIAL RESPONSE |
| Relevant Components for NSN - 3040-00-755-4898, 3040007554898 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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