The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-00-398-4906, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Uniflow Manufacturing Company Dba Kold-Draft. Government technical data includes 2 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. 3 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 | 4820-00-398-4906 |
| Primary Part Number | 800-3-4 |
| Item Name | Parts Kit,safety Relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Uniflow Manufacturing Company Dba Kold-Draft |
| Status | ACTIVE |
| Component Quantity | 4 |
| Supply Items and Quantities | SEAL 2,SEAT 1,DIAPHRAGM 1 |
| 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 |
|---|---|
| 800-3-4 PRIMARY | Uniflow Manufacturing Company Dba Kold-Draft (USA) |
NSN 4820-00-398-4906 is a Parts Kit,safety Relief Valve, manufactured by Uniflow Manufacturing Company Dba Kold-Draft, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-398-4906 has 1 manufacturer part number on file: 800-3-4 (Uniflow Manufacturing Company Dba Kold-Draft).
3 possible matches (shared part number, not a government interchangeability claim): 5306-00-846-3466, 5998-01-122-4140, 6150-01-491-9474. Verify interchangeability with system specifications before substitution.
Key specifications for 800-3-4: Component Quantity: 4; Supply Items and Quantities: SEAL 2,SEAT 1,DIAPHRAGM 1. 2 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.