The Shaft,shouldered, cataloged under National Stock Number 3040-01-370-5451, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Federal Equipment Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Federal Equipment Co (CAGE 60587) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-370-5451 |
| Primary Part Number | C420341 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Federal Equipment Co |
| Status | ACTIVE |
| 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 |
|---|---|
| C420341 PRIMARY | Federal Equipment Co (USA) |
| Z440237 REV G FN 8 | Federal Equipment Co (USA) |
| Reference | Meaning |
|---|---|
| Z440237 | D/9 Drawing number reference only Federal Equipment Company Dba Use CAGE Code 60587 for Cataloging |
NSN 3040-01-370-5451 is a Shaft,shouldered, manufactured by Federal Equipment Co, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-370-5451 has 2 manufacturer part numbers on file: C420341 (Federal Equipment Co), Z440237 REV G FN 8 (Federal Equipment Co).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-370-5519, 3020-01-370-5533. Verify interchangeability with system specifications before substitution.
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.