| 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) | 00-073-7478 (000737478) |
| NCB Code | USA (00) |
| Manufacturer | Navair And Navsea Managed |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAHN | END SIMILARITY | NOT IDENTICAL |
| ABHP | OVERALL LENGTH | 4.250 INCHES NOMINAL |
| CCKD | SECTION SHAPE | RD,V-FLATTED SHAPE SECOND END, SECOND PORTION |
| CFFB | WORM THREAD QUANTITY | 4 |
| CFFC | WORM THREAD LEAD | 0.4207 INCHES NOMINAL |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| CFFF | WORM PRESSURE ANGLE IN DEG | 20.000 |
| CFFG | WORM HELIX ANGLE | 21 DEG 2 MIN. |
| CFFK | WORM OUTSIDE DIAMETER | 0.416 INCHES NOMINAL |
| CFFL | WORM PITCH DIAMETER | 0.348 INCHES NOMINAL |
| CFFN | WORM THREAD SECTION LENGTH | 0.750 INCHES NOMINAL |
| CFFP | WORM BODY LENGTH | 1.375 INCHES NOMINAL |
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |
| CFFX | STRAIGHT UNTHREADED LENGTH | 0.250 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFX | STRAIGHT UNTHREADED LENGTH | 2.250 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.249 INCHES NOMINAL FIRST END, FIRST PORTION |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 0.249 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFQQ | SHAFT SECTION SIZE | 0.360 |
| MATT | MATERIAL | STEEL,QQ-S-763,CLASS 416,COND T |
| SFTT | SURFACE TREATMENT | PASSIVATE |
| Relevant Components for NSN - 3040-00-073-7478, 3040000737478 | ||||
| 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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