The Collar,shaft, cataloged under National Stock Number 3040-00-160-9469, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is General Electric Company. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-160-9469 |
| Primary Part Number | 170A657-001 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Largest Diameter Length | 0.438 INCHES NOMINAL IN |
| Style Designator | ROUND STEPPED |
| Screw Thread Series Designator and Location | ALL HOLES UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Nominal Thread Size | 0.190 INCHES SINGLE HOLE IN |
| Angle Between Centerlines of Securing Holes in Deg | 180.0 |
| Small End Diameter | 1.750 INCHES NOMINAL IN |
| Securing Hole Quantity | 2 |
| Bore Diameter | 1.5000 INCHES NOMINAL IN |
| Material | STEEL |
| Thickness | 2.078 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 |
|---|---|
| 170A657-001 PRIMARY | General Electric Company (USA) |
NSN 3040-00-160-9469 is a Collar,shaft, manufactured by General Electric Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-160-9469 has 1 manufacturer part number on file: 170A657-001 (General Electric Company).
Key specifications for 170A657-001: Securing Hole Type and Location: THREADED ALL HOLES; Largest Diameter Length: 0.438 INCHES NOMINAL IN; Style Designator: ROUND STEPPED; Screw Thread Series Designator and Location: ALL HOLES UNIFIED NATIONAL COARSE (UNC). 12 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.