The Worm Shaft, cataloged under National Stock Number 3040-01-463-2838, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Thern Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 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 | 3040-01-463-2838 |
| Primary Part Number | A1545 |
| Item Name | Worm Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Thern Inc |
| Status | ACTIVE |
| Shaft Location | ONE END OF WORM |
| Straight Unthreaded Section Diameter | 0.625 INCHES NOMINAL EITHER END IN |
| End Similarity | NOT IDENTICAL |
| Material | STEEL |
| Straight Unthreaded Length | 4.600 INCHES NOMINAL EITHER 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 |
|---|---|
| A1545 PRIMARY | Thern Inc (USA) |
NSN 3040-01-463-2838 is a Worm Shaft, manufactured by Thern Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-463-2838 has 1 manufacturer part number on file: A1545 (Thern Inc).
3 possible matches (shared part number, not a government interchangeability claim): 8455-01-528-9557, 8455-01-559-4793, 8455-01-664-2454. Verify interchangeability with system specifications before substitution.
Key specifications for A1545: Shaft Location: ONE END OF WORM; Straight Unthreaded Section Diameter: 0.625 INCHES NOMINAL EITHER END IN; End Similarity: NOT IDENTICAL; Special Features: THIS SHAFT HAS NO THREADS; THE END ITEM IS A CRANE FLOOR PORT. 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.