The Collar,shaft, cataloged under National Stock Number 3040-01-487-2274, 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 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-487-2274 |
| Primary Part Number | 124-7386972 PC 3 |
| 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 ALL HOLES |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 1.1250 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.1406 INCHES NOMINAL ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Securing Hole Quantity | 4 |
| Bore Diameter | 0.6250 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.3438 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 |
|---|---|
| 124-7386971 PC 19 | Naval Sea Systems Command (USA) |
| 124-7386972 PC 3 PRIMARY | Naval Sea Systems Command (USA) |
| 124-7386936 PC 55 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7386971 | D/9 Drawing number reference only Naval Sea Systems Command |
| 7386972 | D/9 Drawing number reference only Naval Sea Systems Command |
| 7386936 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-487-2274 is a Collar,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-487-2274 has 3 manufacturer part numbers on file: 124-7386971 PC 19 (Naval Sea Systems Command), 124-7386972 PC 3 (Naval Sea Systems Command), 124-7386936 PC 55 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-487-2297. Verify interchangeability with system specifications before substitution.
Key specifications for 124-7386972 PC 3: Securing Hole Type and Location: UNTHREADED ALL HOLES; Style Designator: PLAIN ROUND; Outside Diameter: 1.1250 INCHES NOMINAL IN; Hole Diameter and Location: 0.1406 INCHES NOMINAL ALL HOLES IN. 9 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.