The Valve,safety Relief, cataloged under National Stock Number 4820-01-563-9232, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-563-9232 |
| Primary Part Number | D084-1000 ASSY D084-1000-025CPCP |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Operating Pressure | 41.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| D084-1000 ASSY D084-1000-025CPCP | Naval Inventory Control Point Mechanicsburg (USA) |
| D084-1000-025CPCP | Naval Inventory Control Point Mechanicsburg (USA) |
| D084-1000-025CP | Cold Llc (USA) |
| D084-1000CP | Naval Inventory Control Point Mechanicsburg (USA) |
| D084-1000 ASSY D084-1000-025CP | Cold Llc (USA) |
| Reference | Meaning |
|---|---|
| D084-1000 | 3/1 Design control — primary reference U.S. Government activity |
| D084-1000-025CP | 5/9 Secondary reference U.S. Government activity |
| D084-1000 ASSY D084-1000-025CP | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-563-9232 is a Valve,safety Relief, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-563-9232 has 5 manufacturer part numbers on file: D084-1000 ASSY D084-1000-025CPCP (Naval Inventory Control Point Mechanicsburg), D084-1000-025CPCP (Naval Inventory Control Point Mechanicsburg), D084-1000-025CP (Cold Llc), D084-1000CP (Naval Inventory Control Point Mechanicsburg), D084-1000 ASSY D084-1000-025CP (Cold Llc).
6 possible matches (shared part number, not a government interchangeability claim): 5360-01-563-9998, 5360-01-564-0008, 5360-01-564-0025. Verify interchangeability with system specifications before substitution.
Key specifications for D084-1000 ASSY D084-1000-025CPCP: Criticality Code Justification: ZZZY; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Style Designator: ANGLE; Operating Pressure: 41.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 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.