The Collar,shaft, cataloged under National Stock Number 3040-00-945-3872, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 17 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 | 3040-00-945-3872 |
| Primary Part Number | 7986742 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES INSIDE PERIPHERY |
| Surface Finish | 125 MICROINCHES BOTH BEARING FLATS |
| Surface Finish | 125 MICROINCHES OUTSIDE PERIPHERY |
| Securing Hole Type and Location | UNTHREADED SINGLE HOLE |
| Largest Diameter Length | 0.234 INCHES MINIMUM AND 0.238 INCHES MAXIMUM IN |
| Criticality Code Justification | ABXV AND ABNM AND AEUZ |
| Style Designator | ROUND W/DOUBLE CHAMFER |
| Material Document and Classification | QQ-S-624-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.710 INCHES MINIMUM AND 0.730 INCHES MAXIMUM IN |
| Hole Diameter and Location | 0.0790 INCHES MINIMUM ALL HOLES AND 0.0940 INCHES MAXIMUM ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 180.0 |
| Securing Hole Quantity | 2 |
| Surface Treatment | OXIDE |
| Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.3810 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.298 INCHES MINIMUM AND 0.302 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 7986742 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 3040-00-945-3872 is a Collar,shaft, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-945-3872 has 1 manufacturer part number on file: 7986742 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 7986742: Surface Finish: 125 MICROINCHES INSIDE PERIPHERY; Surface Finish: 125 MICROINCHES BOTH BEARING FLATS; Surface Finish: 125 MICROINCHES OUTSIDE PERIPHERY; Securing Hole Type and Location: UNTHREADED SINGLE HOLE. 17 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.