The Shaft,straight, cataloged under National Stock Number 3040-01-486-0535, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-486-0535 |
| Primary Part Number | 6931049-1 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES |
| First End Diameter | 1.9960 INCHES MINIMUM AND 1.9990 INCHES MAXIMUM IN |
| First End Style | FLAT KEYWAY |
| Material Document and Classification | TITANIUM 5111, GRADE 32 ASTM B265 AND B348 ASSN STD SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.288 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Unpackaged Unit Weight | 15.61 POUNDS LBS |
| End Similarity | IDENTICAL |
| Material | TITANIUM |
| External Keyway Length | 3.520 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.5000 INCHES MINIMUM AND 0.5030 INCHES MAXIMUM 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 |
|---|---|
| 6931049-1 PRIMARY | Naval Sea Systems Command (USA) |
| 6853526 ITEM 11 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6931049 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-486-0535 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-486-0535 has 2 manufacturer part numbers on file: 6931049-1 (Naval Sea Systems Command), 6853526 ITEM 11 (Naval Sea Systems Command).
Key specifications for 6931049-1: Surface Finish: 63.0 MICROINCHES; First End Diameter: 1.9960 INCHES MINIMUM AND 1.9990 INCHES MAXIMUM IN; First End Style: FLAT KEYWAY; Material Document and Classification: TITANIUM 5111, GRADE 32 ASTM B265 AND B348 ASSN STD SINGLE MATERIAL RESPONSE. 10 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.