The Worm Shaft, cataloged under National Stock Number 3040-01-377-9064, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-377-9064 |
| Primary Part Number | 801-6406768-4 |
| 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 |
| Worm Pitch Diameter | 1.333 INCHES NOMINAL IN |
| Worm Outside Diameter | 1.667 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.3400 INCHES NOMINAL SECOND END EIGHTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.8460 INCHES NOMINAL SECOND END SIXTH PORTION IN |
| Straight Unthreaded Section Diameter | 0.8600 INCHES NOMINAL SECOND END FOURTH PORTION IN |
| Straight Unthreaded Section Diameter | 1.0600 INCHES NOMINAL SECOND END THIRD PORTION IN |
| Straight Unthreaded Section Diameter | 1.3300 INCHES NOMINAL SECOND END SECOND PORTION IN |
| End Similarity | NOT IDENTICAL |
| Worm Thread Section Length | 2.380 INCHES NOMINAL IN |
| Worm Helix Angle | 7 DEG 8 MIN |
| Material | STEEL |
| Worm Thread Quantity | 1 |
| Worm Thread Direction | RIGHT-HAND |
| Worm Pressure Angle in Deg | 14.083 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| 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 |
|---|---|
| 211060929 | Naval Sea Systems Command (USA) |
| 801-6406768-4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6406768 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-377-9064 is a Worm Shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-377-9064 has 2 manufacturer part numbers on file: 211060929 (Naval Sea Systems Command), 801-6406768-4 (Naval Sea Systems Command).
5 possible matches (shared part number, not a government interchangeability claim): 3020-01-377-9204, 4820-01-379-9075, 4820-01-379-9141. Verify interchangeability with system specifications before substitution.
Key specifications for 801-6406768-4: Shaft Location: BOTH ENDS OF WORM; Overall Length: 12.6500 INCHES NOMINAL IN; Worm Pitch Diameter: 1.333 INCHES NOMINAL IN; Worm Outside Diameter: 1.667 INCHES NOMINAL IN. 16 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.