The Collar,shaft, cataloged under National Stock Number 3040-00-277-3775, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Western Sky Industries Inc Dba Electromech Techologies. Government technical data includes 9 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. 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 | 3040-00-277-3775 |
| Primary Part Number | D10-43 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Western Sky Industries Inc Dba Electromech Techologies |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Style Designator | PLAIN ROUND |
| Screw Thread Series Designator and Location | SINGLE HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 1.375 INCHES NOMINAL IN |
| Nominal Thread Size | 0.312 INCHES SINGLE HOLE IN |
| Securing Hole Quantity | 3 |
| Bore Diameter | 0.6260 INCHES MINIMUM AND 0.6265 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.438 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 |
|---|---|
| D10-43 PRIMARY | Western Sky Industries Inc Dba Electromech Techologies (USA) |
NSN 3040-00-277-3775 is a Collar,shaft, manufactured by Western Sky Industries Inc Dba Electromech Techologies, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-277-3775 has 1 manufacturer part number on file: D10-43 (Western Sky Industries Inc Dba Electromech Techologies).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-199-8766. Verify interchangeability with system specifications before substitution.
Key specifications for D10-43: Securing Hole Type and Location: THREADED SINGLE HOLE; Style Designator: PLAIN ROUND; Screw Thread Series Designator and Location: SINGLE HOLE UNIFIED NATIONAL COARSE (UNC); Outside Diameter: 1.375 INCHES NOMINAL 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.