The Valve,check, cataloged under National Stock Number 4820-01-321-6395, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Chrysler Realty Company Llc Dba Daimler Chrysler. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-321-6395 |
| Primary Part Number | 4271382 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4271382 PRIMARY | Chrysler Realty Company Llc Dba Daimler Chrysler (USA) |
| Reference | Meaning |
|---|---|
| 705-028 | 5/9 Secondary reference Dorman Products, Inc. Dba Dorman |
NSN 4820-01-321-6395 is a Valve,check, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-321-6395 has 1 manufacturer part number on file: 4271382 (Chrysler Realty Company Llc Dba Daimler Chrysler).
2 possible matches (shared part number, not a government interchangeability claim): 4470-01-467-0414, 4470-01-467-0432. Verify interchangeability with system specifications before substitution.
Key specifications for 4271382: End Item Identification: BOOSTER POWER BRAKE 1987 CHRYSLER PASSENGER CAR. 0 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.