The Valve,safety Relief, cataloged under National Stock Number 4820-01-722-0640, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sauer Compressors Usa, Inc.. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-722-0640 |
| Primary Part Number | 502437 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sauer Compressors Usa, Inc. |
| Status | ACTIVE |
| Supplementary Features | 33 BAR/478 PSI, 1" NPT X 1 1/2" NPT-F OUT, 2931 SCFM, ASME |
| 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 |
|---|---|
| 502437 PRIMARY | Sauer Compressors Usa, Inc. (USA) |
NSN 4820-01-722-0640 is a Valve,safety Relief, manufactured by Sauer Compressors Usa, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-722-0640 has 1 manufacturer part number on file: 502437 (Sauer Compressors Usa, Inc.).
Key specifications for 502437: Supplementary Features: 33 BAR/478 PSI, 1" NPT X 1 1/2" NPT-F OUT, 2931 SCFM, ASME; Special Features: SAFETY VALVE. 1 specification is 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.