The Collar,shaft, cataloged under National Stock Number 3040-00-891-4518, 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 9 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 | 3040-00-891-4518 |
| Primary Part Number | 8436886 |
| 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 |
| Securing Hole Type and Location | UNTHREADED ALL HOLES |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 0.7900 INCHES MINIMUM AND 0.8000 INCHES MAXIMUM IN |
| Hole Diameter and Location | 0.1250 INCHES NOMINAL ALL HOLES IN |
| Angle Between Centerlines of Securing Holes in Deg | 60.0 |
| Surface Treatment | PHOSPHATE |
| Bore Diameter | 0.6135 INCHES MINIMUM AND 0.6145 INCHES MAXIMUM IN |
| Material | STEEL |
| Thickness | 0.2430 INCHES MINIMUM AND 0.2470 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8436886 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 3040-00-891-4518 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 3040-00-891-4518 has 1 manufacturer part number on file: 8436886 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-658-5035. Verify interchangeability with system specifications before substitution.
Key specifications for 8436886: Securing Hole Type and Location: UNTHREADED ALL HOLES; Style Designator: PLAIN ROUND; Outside Diameter: 0.7900 INCHES MINIMUM AND 0.8000 INCHES MAXIMUM IN; Hole Diameter and Location: 0.1250 INCHES NOMINAL ALL HOLES IN. 9 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.
NSN 3040-00-891-4518 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.