The Piston,valve, cataloged under National Stock Number 2530-01-235-1503, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2530-01-235-1503 |
| Primary Part Number | 1820501 |
| Item Name | Piston,valve |
| 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 |
NSN 2530-01-235-1503 is a Piston,valve, manufactured by R. H. Sheppard Co., Inc. Dba Sheppard, classified under FSC 2530, Vehicular Brake, Steering, Axle, Wheel, and Track Components. Status: active.
NSN 2530-01-235-1503 has 2 manufacturer part numbers on file: 2ER148 (Oshkosh Defense Llc), 1820501 (R. H. Sheppard Co., Inc. Dba Sheppard).
Key specifications for 1820501: Special Features: 1.844 IN.O/A LG,0.620 IN.OD; 0.250 -28 UNF-2A THREAD A; End Item Identification: 2320-01-177-5167, POWER UNIT; HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS). 0 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.