The Shaft,straight, cataloged under National Stock Number 3040-01-191-8370, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-191-8370 |
| Primary Part Number | 201-4684482 ITEM 8 |
| Item Name | Shaft,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 250.0 MICROINCHES |
| First End Diameter | 3.0000 INCHES NOMINAL IN |
| First End Distance From Keyway Center to End | 2.373 INCHES NOMINAL IN |
| First End Style | TWO INDENTED FLAT KEYWAYS |
| Material Document and Classification | QQ-N-285 CL A FED SPEC SINGLE MATERIAL RESPONSE |
| First End Keyway Depth | 0.386 INCHES MINIMUM AND 0.391 INCHES MAXIMUM IN |
| End Similarity | IDENTICAL |
| First End Angle Between Keyways | 180.0 DEGREES NOMINAL |
| Material | NICKEL ALLOY |
| First End Keyway Width | 0.7505 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 |
|---|---|
| 201-4684482 ITEM 8 PRIMARY | Naval Sea Systems Command (USA) |
| 4684482 ITEM 8 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 87776-0107 | D/9 Drawing number reference only U.S. Government activity |
| 87776-0107 ITEM 8 | 5/2 Secondary reference U.S. Government activity |
| 201-4684482 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-191-8370 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-191-8370 has 2 manufacturer part numbers on file: 201-4684482 ITEM 8 (Naval Sea Systems Command), 4684482 ITEM 8 (Naval Sea Systems Command).
Key specifications for 201-4684482 ITEM 8: Surface Finish: 250.0 MICROINCHES; First End Diameter: 3.0000 INCHES NOMINAL IN; First End Distance From Keyway Center to End: 2.373 INCHES NOMINAL IN; First End Style: TWO INDENTED FLAT KEYWAYS. 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.