The Valve,safety Relief, cataloged under National Stock Number 4820-01-645-8613, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-645-8613 |
| Primary Part Number | 584587-005 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pacific Consolidated Industries Llc |
| Status | ACTIVE |
| Operating Pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.500 INCHES IN |
| Material | STEEL COMP 303 BODY |
| 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 |
|---|---|
| 584587-005 PRIMARY | Pacific Consolidated Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| K5120T-4TT-300 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-645-8613 is a Valve,safety Relief, manufactured by Pacific Consolidated Industries Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-645-8613 has 1 manufacturer part number on file: 584587-005 (Pacific Consolidated Industries Llc).
Key specifications for 584587-005: Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.500 INCHES IN; Special Features: THE K IN THE P/N DENOTES THE ITEM IS CRYOGENIC SERVICE, SPECIAL CLEANING AND TESTING; End Item Identification: APL UPDATE. 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.