The Valve,safety Relief, cataloged under National Stock Number 4820-01-308-5206, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-308-5206 |
| Primary Part Number | 30220776 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Material | COPPER ALLOY BODY |
| Opening Pressure Setting | 1.6 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 |
| Part Number | Manufacturer |
|---|---|
| 30220776 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| Reference | Meaning |
|---|---|
| 3W39899T | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 4820-01-308-5206 is a Valve,safety Relief, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-308-5206 has 1 manufacturer part number on file: 30220776 (Ingersoll-Rand Company Dba Ingersoll-Rand).
Key specifications for 30220776: Flow Control Device: DISK; Material: COPPER ALLOY BODY; Opening Pressure Setting: 1.6 POUNDS PER SQUARE INCH LBS; Valve Operation Method: AUTOMATIC. 4 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.