The Shaft,straight, cataloged under National Stock Number 3040-00-629-9181, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-629-9181 |
| Primary Part Number | 6785512 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| First End Diameter | 0.4350 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| End Similarity | IDENTICAL |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 6785512 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6785512 | 5/9 Secondary reference General Motors Corp |
| 6785512 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 3040-00-629-9181 is a Shaft,straight, manufactured by Rolls-Royce Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-629-9181 has 1 manufacturer part number on file: 6785512 (Rolls-Royce Corporation).
Key specifications for 6785512: First End Diameter: 0.4350 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM IN; First End Style: PLAIN; Overall Length: 2.260 INCHES MINIMUM AND 2.270 INCHES MAXIMUM IN; End Similarity: IDENTICAL. 4 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.