The Collar,shaft, cataloged under National Stock Number 3040-00-502-5253, 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 13 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 | 3040-00-502-5253 |
| Primary Part Number | 5025253 |
| 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 ALL HOLES |
| Criticality Code Justification | CRZW |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 1.250 INCHES NOMINAL IN |
| Hole Diameter and Location | 0.1562 INCHES MINIMUM ALL HOLES AND 0.1570 INCHES MAXIMUM ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 180.0 |
| Securing Hole Quantity | 2 |
| Bore Diameter | 0.8906 INCHES MINIMUM AND 0.9062 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.312 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 5025253 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 3040-00-502-5253 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 3040-00-502-5253 has 1 manufacturer part number on file: 5025253 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 5025253: 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 ALL HOLES. 13 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.