| Item Name | Worm Shaft |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3040 Miscellaneous Power Transmission Equipment |
| National Item Identification Number (NIIN) | 00-005-7460 (000057460) |
| NCB Code | USA (00) |
| Manufacturer | Siemens Demag Delaval, Imo Industries Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAHN | END SIMILARITY | NOT IDENTICAL |
| AASA | THREAD LENGTH | 0.438 INCHES NOMINAL FIRST END,FIRST PORTION |
| ABHP | OVERALL LENGTH | 19.875 INCHES NOMINAL |
| AJYP | SCREW THREAD SERIES DESIGNATOR | UN FIRST END,FIRST PORTION |
| AKAF | SHAFT THREAD DIRECTION | RIGHT-HAND FIRST END,FIRST PORTION |
| BYFR | TEETH HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND 59.2 ROCKWELL C MAXIMUM |
| CFFB | WORM THREAD QUANTITY | 12 |
| CFFC | WORM THREAD LEAD | 8.432 INCHES NOMINAL |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFF | WORM PRESSURE ANGLE IN DEG | 22.500 |
| CFFG | WORM HELIX ANGLE | 43DEG58MIN26SEC |
| CFFK | WORM OUTSIDE DIAMETER | 3.209 INCHES MINIMUM AND 3.211 INCHES MAXIMUM |
| CFFL | WORM PITCH DIAMETER | 2.782 INCHES NOMINAL |
| CFFM | SHAFT HARDNESS RATING | 36.6 ROCKWELL C MINIMUM |
| CFFN | WORM THREAD SECTION LENGTH | 3.750 INCHES NOMINAL |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |
| CFFX | STRAIGHT UNTHREADED LENGTH | 1.250 INCHES NOMINAL SECOND END,FIRST PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.880 INCHES NOMINAL SECOND END,FIRST PORTION |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 3040-00-005-7460, 3040000057460 | ||||
| 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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