The Shaft,straight, cataloged under National Stock Number 3040-00-381-7231, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-381-7231 |
| Primary Part Number | 177924PC1 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Second End Hole Diameter | 0.1065 INCHES NOMINAL IN |
| First End Diameter | 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| Second End Diameter | 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN |
| First End Style | UNTHREADED CROSS DRILLED |
| Material Document and Classification | MIL-S-853,CLASS 6A MIL SPEC SINGLE MATERIAL RESPONSE A |
| Second End Distance From Hole Center to End | 0.310 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| First End Hole Diameter | 0.0935 INCHES NOMINAL IN |
| Second End Style | UNTHREADED CROSS DRILLED |
| Material | STEEL |
| First End Distance From Hole Center to End | 1.300 INCHES NOMINAL 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 |
|---|---|
| 177924PC1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 177924 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3040-00-381-7231 is a Shaft,straight, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-381-7231 has 1 manufacturer part number on file: 177924PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 3040-00-381-7232. Verify interchangeability with system specifications before substitution.
Key specifications for 177924PC1: Second End Hole Diameter: 0.1065 INCHES NOMINAL IN; First End Diameter: 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; Second End Diameter: 0.3748 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN; First End Style: UNTHREADED CROSS DRILLED. 11 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.