| 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) | 01-446-6442 (014466442) |
| NCB Code | USA (01) |
| Manufacturer | Huntington Ingalls Incorporated |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 123-4403535 PAR | huntington ingalls incorporated | worm shaft | 43689 | RFQ |
| 1502-79 FN 11 | huntington ingalls incorporated | worm shaft | 43689 | RFQ |
| 1502-80 FN 5 | huntington ingalls incorporated | worm shaft | 43689 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| MATL | MATERIAL | STEEL |
| CFFK | WORM OUTSIDE DIAMETER | 3.7740 INCHES NOMINAL |
| CFFL | WORM PITCH DIAMETER | 3.1450 INCHES NOMINAL |
| CFFM | SHAFT HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| CFFP | WORM BODY LENGTH | 5.2500 INCHES NOMINAL |
| CFFW | SHAFT LOCATION | BOTH ENDS OF WORM |
| CFFX | STRAIGHT UNTHREADED LENGTH | 2.8740 INCHES NOMINAL FIRST END, FIRST PORTION 0.5000 INCHES NOMINAL FIRST END, SECOND PORTION 1.2500 INCHES NOMINAL FIRST END, THIRD PORTION 1.7810 INCHES NOMINAL SECOND END, FIRST PORTION 2.9070 INCHES NOMINAL SECOND END, SECOND PORTION 0.5000 INCHES NOMINAL SECOND END, THIRD PORTION 1.2500 INCHES NOMINAL SECOND END, FOURTH PORTION |
| CFFZ | UNTHREADED SECTION KEYWAY WIDTH | 0.2750 INCHES NOMINAL SECOND END, FIRST PORTION |
| CFGB | UNTHREADED SECTION KEYWAY DEPTH | 0.1880 INCHES NOMINAL SECOND END, FIRST PORTION |
| BYFR | TEETH HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM |
| AGAV | III END ITEM IDENTIFICATION | W/S LOS ANGELES CLASS SSN(688) |
| AAHN | END SIMILARITY | IDENTICAL |
| CFFB | WORM THREAD QUANTITY | 1 |
| CFFC | WORM THREAD LEAD | 0.900 INCHES NOMINAL |
| CFFD | WORM THREAD DIRECTION | RIGHT-HAND |
| ABHP | OVERALL LENGTH | 16.3125 INCHES NOMINAL |
| CFFF | WORM PRESSURE ANGLE IN DEG | 20.000 |
| CFFG | WORM HELIX ANGLE | 5 DEG 44 MIN |
| CFFQ | WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| CFFY | STRAIGHT UNTHREADED SECTION DIAMETER | 1.9950 INCHES NOMINAL FIRST END, FIRST PORTION 3.000 INCHES NOMINAL FIRST END, SECOND PORTION 2.1250 INCHES NOMINAL FIRST END, THIRD PORTION 1.5000 INCHES NOMINAL SECOND END, FIRST PORTION 2.0040 INCHES NOMINAL SECOND END, SECOND PORTION 3.0000 INCHES NOMINAL SECOND END, THIRD PORTION 2.1250 INCHES NOMINAL SECOND END, FOURTH PORTION |
| Relevant Components for NSN - 3040-01-446-6442, 3040014466442 | ||||
| 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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