The Valve,safety Relief, cataloged under National Stock Number 4820-01-183-2260, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-183-2260 |
| Primary Part Number | D48671 MODIFIED TO R10BG1H116 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Bonnet Type | INSIDE SCREW |
| Specification/standard Data | 81349-MIL-V-22549 GOVERNMENT SPECIFICATION |
| Bonnet Attachment Method | BOLTED |
| Material | COPPER ALLOY BODY |
| Material | STEEL STEM |
| Material | NICKEL SEAT |
| 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 |
| Part Number | Manufacturer |
|---|---|
| D48671 MODIFIED TO R10BG1H116 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| MIL-V-22549 | 4/1 Identification reference U.S. Government activity |
NSN 4820-01-183-2260 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-183-2260 has 1 manufacturer part number on file: D48671 MODIFIED TO R10BG1H116 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
Key specifications for D48671 MODIFIED TO R10BG1H116: Flow Control Device: DISK; Bonnet Type: INSIDE SCREW; Specification/standard Data: 81349-MIL-V-22549 GOVERNMENT SPECIFICATION; Special Features: W/O LEVER. 8 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.