The Valve,safety Relief, cataloged under National Stock Number 4820-01-463-3459, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hydraquip Corp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-463-3459 |
| Primary Part Number | 2275A2000 REV B ITEM 18 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hydraquip Corp |
| Status | ACTIVE |
| 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 |
|---|---|
| VRS-N-35-00-V-N-A1U | The Oilgear Company Dba Jiffy Lube 213 Div Oilgear (USA) |
| 2275A2000 REV B ITEM 18 PRIMARY | Hydraquip Corp (USA) |
| Reference | Meaning |
|---|---|
| 2275A2000 | D/9 Drawing number reference only Hydraquip Corp |
NSN 4820-01-463-3459 is a Valve,safety Relief, manufactured by Hydraquip Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-463-3459 has 2 manufacturer part numbers on file: VRS-N-35-00-V-N-A1U (The Oilgear Company Dba Jiffy Lube 213 Div Oilgear), 2275A2000 REV B ITEM 18 (Hydraquip Corp).
1 possible match (shared part number, not a government interchangeability claim): 2090-01-472-2419. Verify interchangeability with system specifications before substitution.
Key specifications for 2275A2000 REV B ITEM 18: Special Features: NEXT HIGHER ASSY; HYDRAULIC POW; End Item Identification: W/S USNS STALWART CLASS TAGOS. 0 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.