The Valve,safety Relief, cataloged under National Stock Number 4820-01-322-5708, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Liftking Manufacturing Corp. Government technical data includes 11 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-322-5708 |
| Primary Part Number | H00583 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Liftking Manufacturing Corp |
| Status | ACTIVE |
| Connection Style | PLAIN,OPTIONAL END(PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Material | ALUMINUM ALLOY BODY |
| Thread Series Designator | NPTF ALL ENDS |
| Opening Pressure Setting | 200.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| H00583 PRIMARY | Liftking Manufacturing Corp (CAN) |
NSN 4820-01-322-5708 is a Valve,safety Relief, manufactured by Liftking Manufacturing Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-322-5708 has 1 manufacturer part number on file: H00583 (Liftking Manufacturing Corp).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-8067. Verify interchangeability with system specifications before substitution.
Key specifications for H00583: Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Bonnet Type: INSIDE SCREW; Thread Direction: RIGHT-HAND ALL ENDS. 11 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.