The Shaft,straight, cataloged under National Stock Number 3040-01-484-7330, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-484-7330 |
| Primary Part Number | 122-6776889 PC 10 |
| 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 | 0.6680 INCHES MINIMUM AND 0.6690 INCHES MAXIMUM IN |
| Second End Diameter | 0.6680 INCHES MINIMUM AND 0.6690 INCHES MAXIMUM IN |
| First End Style | PLAIN |
| Material Document and Classification | MIL-S-20166, GR M MIL SPEC SINGLE MATERIAL RESPONSE |
| Second End Groove Diameter | 0.4375 INCHES NOMINAL IN |
| End Similarity | NOT IDENTICAL |
| Second End Groove Width | 0.2500 INCHES NOMINAL IN |
| Second End Distance From End to Groove | 0.2500 INCHES NOMINAL IN |
| Second End Style | CIRCULAR GROOVED |
| Material | STEEL COMP 1022 |
| 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 |
|---|---|
| 122-6776889 PC 10 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6776889 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-484-7330 is a Shaft,straight, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-484-7330 has 1 manufacturer part number on file: 122-6776889 PC 10 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-484-7631. Verify interchangeability with system specifications before substitution.
Key specifications for 122-6776889 PC 10: Surface Finish: 63.0 MICROINCHES; First End Diameter: 0.6680 INCHES MINIMUM AND 0.6690 INCHES MAXIMUM IN; Second End Diameter: 0.6680 INCHES MINIMUM AND 0.6690 INCHES MAXIMUM IN; First End Style: PLAIN. 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.