The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-584-9880, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-584-9880 |
| Primary Part Number | 0887307 |
| Item Name | Parts Kit,safety Relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Component Quantity | 6 |
| Document Type | COMMERCIAL CATALOG |
| End Item Source | 79227 |
| Supply Items and Quantities | 1 RELIEF VALVE ASSEMBLY, 1 SEAT O-RING, 1 COVER O-RING, 1 SENSING PASSAGE O-RING, 1 UPPER STEM O-RING, 1 RELIEF VALVE SPRING |
| Component Document Origin | INDUSTRIAL |
| End Item Name | VALVE ASSEMBLY |
| Document Source | 79227 |
| 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 |
|---|---|
| RK 009M2 VT 1-1/2 | Watts Regulator Company (USA) |
| 0887307 PRIMARY | Watts Regulator Company (USA) |
NSN 4820-01-584-9880 is a Parts Kit,safety Relief Valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-584-9880 has 2 manufacturer part numbers on file: RK 009M2 VT 1-1/2 (Watts Regulator Company), 0887307 (Watts Regulator Company).
Key specifications for 0887307: Component Quantity: 6; Document Type: COMMERCIAL CATALOG; End Item Source: 79227; Supply Items and Quantities: 1 RELIEF VALVE ASSEMBLY, 1 SEAT O-RING, 1 COVER O-RING, 1 SENSING PASSAGE O-RING, 1 UPPER STEM O-RING, 1 RELIEF VALVE SPRING. 7 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.