The Shaft Assembly,straight, cataloged under National Stock Number 3040-01-659-6632, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Defense Maritime Solutions, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Shaft Assembly,straight |
| FSC / FSG | 3040 — Miscellaneous Power Transmission Equipment (FSG 30) |
| Manufacturers | Defense Maritime Solutions, Inc. (CAGE 0EYA6) |
| Parameter | Value |
|---|---|
| NSN | 3040-01-659-6632 |
| Primary Part Number | H30491-01-CT |
| Item Name | Shaft Assembly,straight |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| H30491-01-CT PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| US30491-01 | D/9 Drawing number reference only Defense Maritime Solutions, Inc. |
NSN 3040-01-659-6632 is a Shaft Assembly,straight, manufactured by Defense Maritime Solutions, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-659-6632 has 1 manufacturer part number on file: H30491-01-CT (Defense Maritime Solutions, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-659-6664. Verify interchangeability with system specifications before substitution.
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.