| 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) | 00-423-9294 (004239294) |
| NCB Code | USA (00) |
| Manufacturer | Caterpillar Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGZ | FIRST END STYLE | WOODRUFF KEYWAY |
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AAHP | SECOND END STYLE | UNTHREADED CROSS DRILLED |
| ABHP | OVERALL LENGTH | 4.875 INCHES NOMINAL |
| AMCZ | FIRST END KEYWAY WIDTH | 0.9280 INCHES MINIMUM AND 0.9430 INCHES MAXIMUM |
| AMDE | FIRST END EXTERNAL KEYWAY LENGTH | 0.500 INCHES NOMINAL |
| AMDH | FIRST END DISTANCE FROM KEYWAY CENTER TO END | 0.375 INCHES NOMINAL |
| AMDL | FIRST END DIAMETER | 0.4930 INCHES MINIMUM AND 0.4935 INCHES MAXIMUM |
| AMFZ | SECOND END DIAMETER | 0.4930 INCHES MINIMUM AND 0.4935 INCHES MAXIMUM |
| AMGS | SECOND END HOLE DIAMETER | 0.1360 INCHES NOMINAL |
| AMGT | SECOND END DISTANCE FROM HOLE CENTER TO END | 1.057 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 1018 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE |
| ZZZV | FSC APPLICATION DATA | STARTING ENGINE ASSY,POWER UNIT |
| Relevant Components for NSN - 3040-00-423-9294, 3040004239294 | ||||
| 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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