The Shaft,straight, cataloged under National Stock Number 3040-01-475-9976, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is C & M Technology Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3040-01-475-9976 |
| Primary Part Number | 5444-181 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | C & M Technology Inc |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES |
| First End Diameter | 0.3750 INCHES NOMINAL IN |
| First End Style | PLAIN |
| End Similarity | IDENTICAL |
| Material | NICKEL ALLOY K-500 |
| 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 |
|---|---|
| 5444-166 ITEM 3 | C & M Technology Inc (USA) |
| 5444-181 PRIMARY | C & M Technology Inc (USA) |
| Reference | Meaning |
|---|---|
| 5444-166 | D/9 Drawing number reference only C & M Technology Inc |
NSN 3040-01-475-9976 is a Shaft,straight, manufactured by C & M Technology Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-475-9976 has 2 manufacturer part numbers on file: 5444-166 ITEM 3 (C & M Technology Inc), 5444-181 (C & M Technology Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-476-0349, 3895-01-559-5322. Verify interchangeability with system specifications before substitution.
Key specifications for 5444-181: Surface Finish: 125.0 MICROINCHES; First End Diameter: 0.3750 INCHES NOMINAL IN; First End Style: PLAIN; Overall Length: 3.313 INCHES NOMINAL IN. 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.