The Collar,shaft, cataloged under National Stock Number 3040-01-481-9573, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-481-9573 |
| Primary Part Number | 124-1678568 PC 48 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Largest Diameter Length | 0.750 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Outside Diameter | 12.4375 INCHES NOMINAL IN |
| Small End Diameter | 8.5625 INCHES NOMINAL IN |
| Surface Treatment | ZINC |
| Bore Diameter | 1.3125 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 2.000 INCHES NOMINAL IN |
| 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 |
|---|---|
| 124-1678562 PC 374 | Naval Sea Systems Command (USA) |
| 124-1678568 PC 48 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1678568 | D/9 Drawing number reference only U.S. Government activity |
| 1678562 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-481-9573 is a Collar,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-481-9573 has 2 manufacturer part numbers on file: 124-1678562 PC 374 (Naval Sea Systems Command), 124-1678568 PC 48 (Naval Sea Systems Command).
Key specifications for 124-1678568 PC 48: Largest Diameter Length: 0.750 INCHES NOMINAL IN; Style Designator: ROUND STEPPED; Outside Diameter: 12.4375 INCHES NOMINAL IN; Small End Diameter: 8.5625 INCHES NOMINAL IN. 8 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.