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 | ||||
| 3040-01-293-6061 (3040012936061) | 3020-01-092-7507 (3020010927507) | 3020-01-526-6231 (3020015266231) | 3020-01-177-2167 (3020011772167) | |
| 3020-00-418-5559 (3020004185559) | 3040-00-011-9183 (3040000119183) | 3040-00-752-1099 (3040007521099) | 3040-00-423-9886 (3040004239886) | |
| 3020-01-109-4621 (3020011094621) | 3020-01-222-8376 (3020012228376) | 3020-00-875-8283 (3020008758283) | 3040-00-426-1884 (3040004261884) | |
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