The Parts Kit,check Valve, cataloged under National Stock Number 4820-01-445-2379, 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 2 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 | 4820-01-445-2379 |
| Primary Part Number | 887291 |
| Item Name | Parts Kit,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Component Quantity | 2 |
| Supply Items and Quantities | CHECK ASSEMBLY 1; COVER O-RING 1 |
| 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 |
|---|---|
| 887291 PRIMARY | Watts Regulator Company (USA) |
| RK 009 CK1 1/2 | Watts Regulator Company (USA) |
NSN 4820-01-445-2379 is a Parts Kit,check Valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-445-2379 has 2 manufacturer part numbers on file: 887291 (Watts Regulator Company), RK 009 CK1 1/2 (Watts Regulator Company).
Key specifications for 887291: Component Quantity: 2; Supply Items and Quantities: CHECK ASSEMBLY 1; COVER O-RING 1; End Item Identification: SPRUANCE CLASS DD (963). 2 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.