The Shaft,straight, cataloged under National Stock Number 3040-01-160-5805, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-160-5805 |
| Primary Part Number | 709-4684916 ITEM 36 |
| 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 | 0.7500 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 0.650 INCHES NOMINAL IN |
| First End Style | INDENTED FLAT KEYWAY |
| Material Document and Classification | QQ-S-763,COND B FED SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.1060 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM IN |
| End Similarity | IDENTICAL |
| Material | STEEL COMP 304 |
| External Keyway Length | 1.0000 INCHES NOMINAL FIRST END IN |
| First End Keyway Width | 0.1875 INCHES MINIMUM AND 0.1900 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 |
|---|---|
| 709-4684916 ITEM 36 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 709-4684916 | D/9 Drawing number reference only Naval Sea Systems Command |
| 87832-1645 ITEM 36 | 3/2 Design control — primary reference U.S. Government activity |
| 87832-1645 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-160-5805 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-160-5805 has 1 manufacturer part number on file: 709-4684916 ITEM 36 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-174-9518. Verify interchangeability with system specifications before substitution.
Key specifications for 709-4684916 ITEM 36: Surface Finish: 63.0 MICROINCHES; First End Diameter: 0.7500 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 0.650 INCHES NOMINAL IN; First End Style: INDENTED FLAT KEYWAY. 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.