The Collar,shaft, cataloged under National Stock Number 3040-00-607-2458, 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 Rock Island Arsenal Jmtc. Government technical data includes 10 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-607-2458 |
| Primary Part Number | 8416885 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Surface Finish | 125 MICROINCHES INSIDE PERIPHERY |
| Surface Finish | 125 MICROINCHES OUTSIDE PERIPHERY |
| Surface Finish | 63 MICROINCHES BOTH BEARING FLATS |
| Criticality Code Justification | ABXV AND ABNM |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 2.000 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE |
| Bore Diameter | 1.2500 INCHES MINIMUM AND 1.2550 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.780 INCHES MINIMUM AND 0.782 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 |
|---|---|
| 8416885 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-00-607-2458 is a Collar,shaft, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-607-2458 has 1 manufacturer part number on file: 8416885 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 6110-01-192-2848. Verify interchangeability with system specifications before substitution.
Key specifications for 8416885: Surface Finish: 125 MICROINCHES INSIDE PERIPHERY; Surface Finish: 125 MICROINCHES OUTSIDE PERIPHERY; Surface Finish: 63 MICROINCHES BOTH BEARING FLATS; Criticality Code Justification: ABXV AND ABNM. 10 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.