The Worm Shaft, cataloged under National Stock Number 3040-01-090-3507, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Alnitak Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-090-3507 |
| Primary Part Number | 430029 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Alnitak Corporation |
| Status | ACTIVE |
| Shaft Location | BOTH ENDS OF WORM |
| Section Shape | D-SHAPE SECOND END |
| Worm Thread Lead | 1.188 INCHES NOMINAL IN |
| Circular Portion Radius | 0.125 INCHES NOMINAL SECOND END IN |
| Worm Outside Diameter | 0.375 INCHES NOMINAL IN |
| Straight Unthreaded Section Diameter | 0.250 INCHES NOMINAL FIRST END IN |
| End Similarity | NOT IDENTICAL |
| Worm Thread Section Length | 13.688 INCHES NOMINAL IN |
| Distance From Radial Center to Flat Surface | 0.090 INCHES NOMINAL SECOND END IN |
| Material | STEEL |
| Worm Thread Quantity | 5 |
| Worm Body Tapered Bearing Surface End | NOT PROVIDED |
| Straight Unthreaded Length | 0.563 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 |
|---|---|
| 430029 PRIMARY | Alnitak Corporation (USA) |
| 352258903169 | Thales Nederland (NLD) |
| Reference | Meaning |
|---|---|
| 430029 | 5/9 Secondary reference American Telephone and Telegraph Co |
| 430029 | 5/9 Secondary reference Telemechanics Inc |
NSN 3040-01-090-3507 is a Worm Shaft, manufactured by Alnitak Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-090-3507 has 2 manufacturer part numbers on file: 430029 (Alnitak Corporation), 352258903169 (Thales Nederland).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-283-4563. Verify interchangeability with system specifications before substitution.
Key specifications for 430029: Shaft Location: BOTH ENDS OF WORM; Section Shape: D-SHAPE SECOND END; Worm Thread Lead: 1.188 INCHES NOMINAL IN; Circular Portion Radius: 0.125 INCHES NOMINAL SECOND END 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.