The Valve,safety Relief, cataloged under National Stock Number 4820-01-462-4880, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydraquip Corp. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-462-4880 |
| Primary Part Number | 2275A1000 REV B ITEM 20 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydraquip Corp |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (PIPE) FIRST END |
| Connection Type | UNTHREADED CARTRIDGE FIRST END |
| Style Designator | SCREW-IN CARTRIDGE |
| Operating Pressure | 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM POWER DRIVE LBS |
| Material | IRON CAST BODY |
| Valve Operation Method | HYDRAULIC |
| 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 |
|---|---|
| 2275A1000 REV B ITEM 20 PRIMARY | Hydraquip Corp (USA) |
| Reference | Meaning |
|---|---|
| RPGC-LAN-YCM/S | C/1 Advisory reference — outside the item-of-supply concept Sun Hydraulics Corporation |
| 2275A1000 | 5/9 Secondary reference Electronic Design Inc |
NSN 4820-01-462-4880 is a Valve,safety Relief, manufactured by Hydraquip Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-462-4880 has 1 manufacturer part number on file: 2275A1000 REV B ITEM 20 (Hydraquip Corp).
Key specifications for 2275A1000 REV B ITEM 20: Connection Style: GASKET SEAL (PIPE) FIRST END; Connection Type: UNTHREADED CARTRIDGE FIRST END; Style Designator: SCREW-IN CARTRIDGE; Operating Pressure: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM POWER DRIVE LBS. 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.