The Valve,safety Relief, cataloged under National Stock Number 4820-00-289-1884, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Sea Systems Command. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Anderson Greenwood Lp Dba Anderson Greenwood Crosby (CAGE 01343) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-289-1884 |
| Primary Part Number | DD692S4824-245192ITEM24 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| DD692S4824-245192ITEM24 PRIMARY | Naval Sea Systems Command (USA) |
| AA7071B-ITEM24-AND-ML129 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| 20051B/20051H51S/883117689 PRIMARY | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| AA7071BANDML129 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| Reference | Meaning |
|---|---|
| 20051H51SS | C/1 Advisory reference — outside the item-of-supply concept Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| AA7071BITEM24 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| DD692S4824-245192ITEM24 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-289-1884 is a Valve,safety Relief, manufactured by Naval Sea Systems Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-289-1884 has 4 manufacturer part numbers on file: DD692S4824-245192ITEM24 (Naval Sea Systems Command), AA7071B-ITEM24-AND-ML129 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20051B/20051H51S/883117689 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), AA7071BANDML129 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).
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.