The Collar,shaft, cataloged under National Stock Number 3040-00-950-6008, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-950-6008 |
| Primary Part Number | 490D971G01 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Securing Hole Type and Location | UNTHREADED 1ST HOLE AND THREADED 2ND HOLE |
| Largest Diameter Length | 0.190 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Screw Thread Series Designator and Location | 2ND HOLE UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 0.875 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.0780 INCHES NOMINAL 1ST HOLE IN |
| Nominal Thread Size | 0.112 INCHES THREAD IN |
| Angle Between Centerlines of Securing Holes in Deg | 90.0 |
| Small End Diameter | 0.375 INCHES NOMINAL IN |
| Securing Hole Quantity | 2 |
| Surface Treatment | PASSIVATE |
| Bore Diameter | 0.2500 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 0.490 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 |
|---|---|
| 490D971G01 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 490D971G01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-00-950-6008 is a Collar,shaft, manufactured by Westinghouse Electric Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-950-6008 has 1 manufacturer part number on file: 490D971G01 (Westinghouse Electric Corp).
Key specifications for 490D971G01: Securing Hole Type and Location: UNTHREADED 1ST HOLE AND THREADED 2ND HOLE; Largest Diameter Length: 0.190 INCHES NOMINAL IN; Style Designator: ROUND STEPPED; Screw Thread Series Designator and Location: 2ND HOLE UNIFIED NATIONAL COARSE (UNC). 14 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.