The Steering Gear, cataloged under National Stock Number 2530-01-583-2851, 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 R. H. Sheppard Co., Inc. Dba Sheppard. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Steering Gear |
| FSC / FSG | 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components (FSG 25) |
| Manufacturers | R. H. Sheppard Co., Inc. Dba Sheppard (CAGE 78222) |
| Parameter | Value |
|---|---|
| NSN | 2530-01-583-2851 |
| Primary Part Number | M90SAZ1 |
| Item Name | Steering Gear |
| FSC / FSG | 2530 / 25 — Vehicular Brake, Steering, Axle, Wheel, and Track Components |
| Manufacturer | R. H. Sheppard Co., Inc. Dba Sheppard |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M90SAZ1 PRIMARY | R. H. Sheppard Co., Inc. Dba Sheppard (USA) |
| Reference | Meaning |
|---|---|
| 2530PL1601572 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3857988 | 5/9 Secondary reference Oshkosh Corp |
| 3857988 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 2530-01-583-2851 is a Steering Gear, manufactured by R. H. Sheppard Co., Inc. Dba Sheppard, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-583-2851 has 1 manufacturer part number on file: M90SAZ1 (R. H. Sheppard Co., Inc. Dba Sheppard).
1 possible match (shared part number, not a government interchangeability claim): 2530-01-653-1685. Verify interchangeability with system specifications before substitution.
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.