The Spindle,mechanically Actuated, cataloged under National Stock Number 3040-01-473-1901, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-473-1901 |
| Primary Part Number | 124-5563772 PC 55 |
| 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-N-286/CLASS A 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 |
|---|---|
| 124-5563772 PC 55 PRIMARY | Naval Sea Systems Command (USA) |
| 124-5563773 PC 18 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5563772 | D/9 Drawing number reference only Naval Sea Systems Command |
| 5563773 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-473-1901 is a Spindle,mechanically Actuated, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-473-1901 has 2 manufacturer part numbers on file: 124-5563772 PC 55 (Naval Sea Systems Command), 124-5563773 PC 18 (Naval Sea Systems Command).
Key specifications for 124-5563772 PC 55: Material Document and Classification: QQ-N-286/CLASS A FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 5.750 INCHES MAXIMUM IN; Special Features: THREADED BOTTOM HALF:7/8-9 UNC-2A A; End Item Identification: HATCHES & BALLISTIC, 30X36 & 36X48 AESS-FLT DK. 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.