The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-117-9548, 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 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-117-9548 |
| Primary Part Number | 45BFPRK 3/4 INCH |
| Item Name | Parts Kit,pressure Regulating VA |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Component Quantity | 9 |
| End Item Source | 79227 |
| End Item Name | BACKFLOW PREVENTERS VALVE |
| Nonsupply Items and Quantities | 79227 900 C-RK,3-4IN INLET ADAPTER GASKET 1;FIRST CHECK VALVE PISTON ASSEMBLY,SPRING,AND O-RING 1;RELIEF VALVE SPRING 1;STEM O-RING 1;SECOND CHECK VALVE ASSEMBLY AND SPRING 1;UNION NUT GASKETS 2;MAINTENANCE TOOL 1;SILICONE GREASE 1 IN |
| 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 |
|---|---|
| 45BFPRK 3/4 INCH PRIMARY | Watts Regulator Company (USA) |
| 45BFP-RK PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| 900 C-RK, 3-4IN | 5/9 Secondary reference Watts Regulator Company |
| SRP-900 900 C-RK, 3-4IN | 5/9 Secondary reference Watts Regulator Company |
NSN 4820-01-117-9548 is a Parts Kit,pressure Regulating VA, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-117-9548 has 2 manufacturer part numbers on file: 45BFPRK 3/4 INCH (Watts Regulator Company), 45BFP-RK (Watts Regulator Company).
Key specifications for 45BFPRK 3/4 INCH: Component Quantity: 9; End Item Source: 79227; End Item Name: BACKFLOW PREVENTERS VALVE; Nonsupply Items and Quantities: 79227 900 C-RK,3-4IN INLET ADAPTER GASKET 1;FIRST CHECK VALVE PISTON ASSEMBLY,SPRING,AND O-RING 1;RELIEF VALVE SPRING 1;STEM O-RING 1;SECOND CHECK VALVE ASSEMBLY AND SPRING 1;UNION NUT GASKETS 2;MAINTENANCE TOOL 1;SILICONE GREASE 1 IN. 4 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.