The Collar,shaft, cataloged under National Stock Number 3040-00-756-1994, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-756-1994 |
| Primary Part Number | 9142985 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Surface Finish | 160 MICROINCHES SMALLEST BEARING FLAT |
| Surface Finish | 320 MICROINCHES INSIDE PERIPHERY |
| Surface Finish | 63 MICROINCHES LARGEST BEARING FLAT |
| Surface Finish | 630 MICROINCHES OUTSIDE PERIPHERY |
| Securing Hole Type and Location | THREADED ALL HOLES |
| Largest Diameter Length | 0.046 INCHES NOMINAL IN |
| Screw Thread Series Designator and Location | ALL HOLES UNIFIED NATIONAL COARSE (UNC) |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES AND 0.138 INCHES THREAD IN |
| Angle Between Centerlines of Securing Holes in Deg | 45.0 |
| Securing Hole Quantity | 8 |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| Thickness | 0.560 INCHES MINIMUM AND 0.564 INCHES MAXIMUM 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 |
|---|---|
| 9142985 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3040-00-756-1994 is a Collar,shaft, manufactured by Us Army Aviation and Missile Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-756-1994 has 1 manufacturer part number on file: 9142985 (Us Army Aviation and Missile Command).
Key specifications for 9142985: Surface Finish: 160 MICROINCHES SMALLEST BEARING FLAT; Surface Finish: 320 MICROINCHES INSIDE PERIPHERY; Surface Finish: 63 MICROINCHES LARGEST BEARING FLAT; Surface Finish: 630 MICROINCHES OUTSIDE PERIPHERY. 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.