The Valve,safety Relief, cataloged under National Stock Number 4820-01-680-3577, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pacific Consolidated Industries Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-680-3577 |
| Primary Part Number | 584089-001 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pacific Consolidated Industries Llc |
| Status | ACTIVE |
| Operating Pressure | 50.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.000 INCHES IN |
| 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 |
|---|---|
| 584089-001 PRIMARY | Pacific Consolidated Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| S9553-CH-MMO-010 FIG 7-6-45 | C/1 Advisory reference — outside the item-of-supply concept Pacific Consolidated Industries Llc |
NSN 4820-01-680-3577 is a Valve,safety Relief, manufactured by Pacific Consolidated Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-680-3577 has 1 manufacturer part number on file: 584089-001 (Pacific Consolidated Industries Llc).
Key specifications for 584089-001: Operating Pressure: 50.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 1.000 INCHES IN; Part Name Assigned by Controlling Agency: VALVE, RELIEF, 50 PSIG, FORB, 1 IN IN; Valve Operation Method: AUTOMATIC. 3 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.