The Worm Shaft, cataloged under National Stock Number 3040-01-335-8518, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-335-8518 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| End Similarity | NOT IDENTICAL |
| 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 |
| Reference | Meaning |
|---|---|
| 16760EE ITEM V2 | 3/9 Design control — primary reference Emerson Process Management Valve Automation, Inc. |
| 83643-1N | 5/9 Secondary reference Emerson Process Management Valve Automation, Inc. |
| 16760EE | D/9 Drawing number reference only Emerson Process Management Valve Automation, Inc. |
NSN 3040-01-335-8518 is a Worm Shaft, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4810-01-336-6061. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-335-8518: Shaft Location: BOTH ENDS OF WORM; End Similarity: NOT IDENTICAL; Worm Body Tapered Bearing Surface End: NOT PROVIDED. 3 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.