The Worm Shaft, cataloged under National Stock Number 3040-01-126-3846, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-126-3846 |
| 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 Thread Section Length | 4.750 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| Worm Thread Quantity | 32 |
| 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 |
|---|---|
| 520-4674704 | D/9 Drawing number reference only U.S. Government activity |
| 520-4674704 ITEM 1 | 3/2 Design control — primary reference U.S. Government activity |
| 87611-1418 ITEM 1 | 3/2 Design control — primary reference U.S. Government activity |
| 87611-1418 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-126-3846 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): 3020-01-210-4264. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-126-3846: Shaft Location: BOTH ENDS OF WORM; End Similarity: NOT IDENTICAL; Worm Thread Section Length: 4.750 INCHES NOMINAL IN; Material: NICKEL ALLOY. 5 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.