The Spindle,mechanically Actuated, cataloged under National Stock Number 3040-01-450-1388, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-450-1388 |
| Item Name | Spindle,mechanically Actuated |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| 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 |
| Reference | Meaning |
|---|---|
| 1553906 | D/9 Drawing number reference only U.S. Government activity |
| 1553913 | D/9 Drawing number reference only U.S. Government activity |
| 124-1553906 PART NO. 12 | 3/2 Design control — primary reference U.S. Government activity |
| 152-1084 PART NO. 12 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 124-1901732 PAR | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 124-1553913 ASSY 94 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-450-1388 is a Spindle,mechanically Actuated, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-450-2119, 3040-01-450-2130, 2040-01-450-6693. Verify interchangeability with system specifications before substitution.
Key specifications for 3040-01-450-1388: Special Features: INCLUDES "OPEN" LABEL PLATE, SCREWS, BUSHING, WASHER, LINER, BEARING PLATE, "OFF" WEDGE, "ON" WEDGE, WEDGE LINER, PACKING PLUNGER; End Item Identification: NIMITZ CLASS CVN; Material: STEEL. 1 specification is 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.