The Spindle,mechanically Actuated, cataloged under National Stock Number 3040-01-489-1548, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-489-1548 |
| Primary Part Number | 124-4322603 PC 8B |
| Item Name | Spindle,mechanically Actuated |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE |
| Material | STEEL |
| 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 |
|---|---|
| 124-4322603 PC 8B PRIMARY | Naval Sea Systems Command (USA) |
| 124-4322605 PC 30 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 4322605 | D/9 Drawing number reference only Naval Sea Systems Command |
| 4322603 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-489-1548 is a Spindle,mechanically Actuated, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-489-1548 has 2 manufacturer part numbers on file: 124-4322603 PC 8B (Naval Sea Systems Command), 124-4322605 PC 30 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-680-6430. Verify interchangeability with system specifications before substitution.
Key specifications for 124-4322603 PC 8B: Material Document and Classification: QQ-S-634 FED SPEC 1ST MATERIAL RESPONSE; End Item Identification: END ITEM:DOOR,BALLISTIC ,AIRCRAFT CARRIER CVAN; Material: STEEL. 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.