The Valve,safety Relief, cataloged under National Stock Number 4820-01-696-5793, 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6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-696-5793 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Valve Size | 0.25 INCHES IN |
| Features Provided | MANUAL OVERRIDE |
| Disk Loading Method | SPRING |
| Material | STEEL COMP 316 BODY |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY PRESSURE SET BY MANUFACTURER |
| 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 |
|---|---|
| SS-RL3M4F4-RT-SET | 3/1 Design control — primary reference Swagelok Co |
NSN 4820-01-696-5793 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-696-5832. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-696-5793: Valve Size: 0.25 INCHES IN; Features Provided: MANUAL OVERRIDE; Disk Loading Method: SPRING; Special Features: THIS ITEM IS FACTORY SET AT 150 PSI. 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.