The Collar,shaft, cataloged under National Stock Number 3040-01-494-2381, 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 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-494-2381 |
| Primary Part Number | 752-7068477-34 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Securing Hole Type and Location | UNTHREADED SINGLE HOLE |
| Largest Diameter Length | 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN |
| Style Designator | ROUND W/DOUBLE CHAMFER |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.0625 INCHES NOMINAL SINGLE HOLE IN |
| Securing Hole Quantity | 1 |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.3400 INCHES MINIMUM AND 0.3600 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| Thickness | 0.500 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 |
|---|---|
| 752-7068477-34 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7068477 | D/9 Drawing number reference only Naval Sea Systems Command |
| H832-1662-34 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-494-2381 is a Collar,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-494-2381 has 1 manufacturer part number on file: 752-7068477-34 (Naval Sea Systems Command).
Key specifications for 752-7068477-34: Securing Hole Type and Location: UNTHREADED SINGLE HOLE; Largest Diameter Length: 0.420 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Style Designator: ROUND W/DOUBLE CHAMFER; Outside Diameter: 0.625 INCHES NOMINAL IN. 10 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.