The Hub,wheel,vehicular, cataloged under National Stock Number 2530-01-291-4606, is classified within Federal Supply Class 2530 (Vehicular Brake, Steering, Axle, Wheel, and Track Components) of the Vehicular Equipment Components group. The manufacturer of record is Atap Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-291-4606 |
| Primary Part Number | 531140 |
| Item Name | Hub,wheel,vehicular |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | Atap Inc |
| Status | ACTIVE |
| Mounting Hole Quantity | 10 |
| Outside Diameter | 12.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2530-01-291-4606 is a Hub,wheel,vehicular, manufactured by Atap Inc, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-291-4606 has 2 manufacturer part numbers on file: 531140 (Fwd Seagrave Holdings Lp), 531140 (Atap Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-295-2957, 5930-01-385-5890. Verify interchangeability with system specifications before substitution.
Key specifications for 531140: Mounting Hole Quantity: 10; Outside Diameter: 12.000 INCHES NOMINAL IN; Special Features: FRONT WHEEL;8.500 IN. W;INNER BRG 8.375 IN. DIA;OUTER BRG HOLE 8.500 IN. OD IN. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.