The Valve,safety Relief, cataloged under National Stock Number 4820-01-465-5597, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-465-5597 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Style Designator | ANGLE FLANGED ENDS |
| Material | BRONZE BODY |
| Material | BRONZE FLOW CONTROL DEVICE |
| Material | COPPER ALLOY STEM |
| 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 |
|---|---|
| NMP-704 LL-2110-C 65PSI | 3/9 Design control — primary reference Kunkle Industries Inc Lonergan Valve Div |
| LL-2110-C/NMP-7 | C/1 Advisory reference — outside the item-of-supply concept Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| LL-2110-C/NMP-704/.75IPS/65PSI | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| NMP-704 | D/9 Drawing number reference only Kunkle Industries Inc Lonergan Valve Div |
NSN 4820-01-465-5597 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-465-5597: Flow Control Device: DISK; Style Designator: ANGLE FLANGED ENDS; Special Features: 3/4IN SIZE VALVE,65PSI,100DEG-F TO 425DEG F IN; Material: BRONZE BODY. 6 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.