The Worm Shaft, cataloged under National Stock Number 3040-01-433-2562, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-433-2562 |
| Primary Part Number | 211087674 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Thread Length | 0.810 INCHES NOMINAL SECOND END IN |
| Worm Pitch Diameter | 1.3333 INCHES NOMINAL IN |
| Worm Outside Diameter | 1.667 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 1.0600 INCHES NOMINAL FIRST END IN |
| End Similarity | NOT IDENTICAL |
| Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND END |
| Shaft Thread Direction | RIGHT-HAND SECOND END |
| Material | STEEL |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | RIGHT-HAND |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 1.710 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 211087674 PRIMARY | Naval Sea Systems Command (USA) |
| 801-6406768-46 | Naval Sea Systems Command (USA) |
| DF-331473-46 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 6406768 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-433-2562 is a Worm Shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-433-2562 has 3 manufacturer part numbers on file: 211087674 (Naval Sea Systems Command), 801-6406768-46 (Naval Sea Systems Command), DF-331473-46 (Huntington Ingalls Inc Div Newport News Shipbuilding).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-526-9225, 3040-01-641-7359. Verify interchangeability with system specifications before substitution.
Key specifications for 211087674: Shaft Location: BOTH ENDS OF WORM; Thread Length: 0.810 INCHES NOMINAL SECOND END IN; Overall Length: 12.650 INCHES NOMINAL IN; Worm Pitch Diameter: 1.3333 INCHES NOMINAL IN. 13 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.