The Valve,safety Relief, cataloged under National Stock Number 4820-01-605-4893, 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6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-605-4893 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Valve Size | 5.00 INCHES IN |
| Bonnet Type | PACKING RETAINING |
| Face to Face Distance | 8.50 INCHES IN |
| Material | STEEL COMP 316 BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 108-2XSR ITEM 4 | 5/9 Secondary reference Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc |
| 683734 | 3/9 Design control — primary reference Oil Capital Valve Company Dba Ocv Control Valves Div Ocv Control Valves, Llc |
NSN 4820-01-605-4893 is a Valve,safety Relief, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-605-4893: Style Designator: STRAIGHT THRU FLANGED ENDS; Valve Size: 5.00 INCHES IN; Bonnet Type: PACKING RETAINING; Face to Face Distance: 8.50 INCHES IN. 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.