The Spindle,mechanically Actuated, cataloged under National Stock Number 3040-01-479-5579, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-479-5579 |
| Primary Part Number | 44227-037 |
| Item Name | Spindle,mechanically Actuated |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-390, AL 863 FED SPEC SINGLE MATERIAL RESPONSE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 8100-1256-0305 PC NO 27 | Bath Iron Works Corporation (USA) |
| 44227-037 PRIMARY | Bath Iron Works Corporation (USA) |
| Reference | Meaning |
|---|---|
| 8100-1256-0305 | D/9 Drawing number reference only Bath Iron Works Corporation |
NSN 3040-01-479-5579 is a Spindle,mechanically Actuated, manufactured by Bath Iron Works Corporation, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-479-5579 has 2 manufacturer part numbers on file: 8100-1256-0305 PC NO 27 (Bath Iron Works Corporation), 44227-037 (Bath Iron Works Corporation).
2 possible matches (shared part number, not a government interchangeability claim): 3040-01-479-5929, 3020-01-479-7737. Verify interchangeability with system specifications before substitution.
Key specifications for 44227-037: Material Document and Classification: QQ-C-390, AL 863 FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 11.312 INCHES NOMINAL IN; End Item Identification: ARLEIGH BURKE CLASS DDG; Material: COPPER ALLOY. 2 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.