The Shaft,shouldered, cataloged under National Stock Number 3040-01-443-8135, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bethlehem Corporation. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-443-8135 |
| Primary Part Number | 123-4403545 PART 46 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bethlehem Corporation |
| Status | ACTIVE |
| First End Style | PLAIN |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE |
| End Similarity | NOT IDENTICAL |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 123-4403545 PART 46 PRIMARY | Bethlehem Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123-5941945 PART 46 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 1502-216 PART 46 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 5941945 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 1502-215 PART 46 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3040-01-443-8135 is a Shaft,shouldered, manufactured by Bethlehem Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-443-8135 has 1 manufacturer part number on file: 123-4403545 PART 46 (Bethlehem Corporation).
4 possible matches (shared part number, not a government interchangeability claim): 3020-01-443-8232, 3020-01-443-8236, 3040-01-443-8745. Verify interchangeability with system specifications before substitution.
Key specifications for 123-4403545 PART 46: First End Style: PLAIN; Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE; End Similarity: NOT IDENTICAL; Second End Style: UNTHREADED CROSS DRILLED. 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.