The Worm Shaft, cataloged under National Stock Number 3040-00-808-6471, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-808-6471 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| FSC Application Data | ANTENNA,PEDESTAL,RADAR SET,NONAIRBORNE |
| Teeth Hardness Rating | 80.0 ROCKWELL C MINIMUM FIRST END |
| Teeth Hardness Rating | 90.0 ROCKWELL C MAXIMUM SECOND END |
| Worm Body Length | 4.180 INCHES NOMINAL IN |
| Worm Thread Lead | 0.0833 INCHES NOMINAL IN |
| Worm Pitch Diameter | 0.3288 INCHES NOMINAL IN |
| Worm Outside Diameter | 0.3729 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.248 INCHES NOMINAL FIRST END FIRST PORTION IN |
| End Similarity | NOT IDENTICAL |
| Shaft Hardness Rating | 8 SCALE,80 TO 98 HARDNESS LOCATION NOT OTHERWISE SPECIFIED |
| Worm Thread Section Length | 3.870 INCHES NOMINAL IN |
| Worm Helix Angle | 75 DEG 47 MIN |
| Material | STEEL |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | RIGHT-HAND |
| Worm Pressure Angle in Deg | 14.500 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.310 INCHES NOMINAL FIRST END FIRST PORTION IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 448566-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-808-6471 is a Worm Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-00-808-6471: Shaft Location: BOTH ENDS OF WORM; FSC Application Data: ANTENNA,PEDESTAL,RADAR SET,NONAIRBORNE; Teeth Hardness Rating: 80.0 ROCKWELL C MINIMUM FIRST END; Teeth Hardness Rating: 90.0 ROCKWELL C MAXIMUM SECOND END. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.