The Valve,safety Relief, cataloged under National Stock Number 4820-01-467-7810, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-467-7810 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Nominal Length | 4.625 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU W/OFFSET |
| Material Document and Classification | AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Adjustable Pressure Range | +500.0 TO 4000.0 POUNDS PER SQUARE INCH LBS |
| Nominal Width | 3.125 INCHES ALL ENDS IN |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE |
| Material | STEEL COMP 416SE BODY |
| Opening Pressure Setting | 1500.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| Nominal Thickness | 1.750 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 1505 | D/9 Drawing number reference only U.S. Government activity |
| 1505-1500 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-467-7810 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-467-7810: Nominal Length: 4.625 INCHES ALL ENDS IN; Style Designator: STRAIGHT THRU W/OFFSET; Material Document and Classification: AMS 5610 ASSN STD SINGLE MATERIAL RESPONSE BODY; Adjustable Pressure Range: +500.0 TO 4000.0 POUNDS PER SQUARE INCH LBS. 10 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.