The Valve,safety Relief, cataloged under National Stock Number 4820-01-426-6967, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-426-6967 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Adjustable Pressure Range | +128.0 TO 145.0 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 |
| Reference | Meaning |
|---|---|
| 65598002 128 T 145 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 1905-00-J-P3-5-CC-TD-34-RF-SS | C/1 Advisory reference — outside the item-of-supply concept Chalmers & Kubeck, Inc. Dba Monarch Valve Corp |
| 1905-00-J-P3-5-CC-TD-34-RF-SS | 3/9 Design control — primary reference Chalmers and Kubeck Inc |
NSN 4820-01-426-6967 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-426-6967: Adjustable Pressure Range: +128.0 TO 145.0 POUNDS PER SQUARE INCH LBS; Special Features: 2 IN. INLET ORIFICE; 3 IN. OUTLET ORIFICE IN; End Item Identification: WHIDBEY ISLAND CLASS LSD; Valve Operation Method: AUTOMATIC. 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.