The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-134-8871, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-134-8871 |
| Primary Part Number | 252A 1-2IN KIT |
| Item Name | Parts Kit,pressure Regulating VA |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Component Quantity | 5 |
| Nonsupply Items and Quantities | DIAPHRAGM GASKET 1;SEAT,VALVE 1;STEM,DISK AND BUSHING ASSEMBLY 1;DIAPHRAGM SET 1;BOTTOM PLUG GASKET 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 |
|---|---|
| 252A 1-2IN KIT PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| 152A 1-2IN REPA | C/1 Advisory reference — outside the item-of-supply concept Watts Regulator Company |
NSN 4820-01-134-8871 is a Parts Kit,pressure Regulating VA, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-134-8871 has 1 manufacturer part number on file: 252A 1-2IN KIT (Watts Regulator Company).
Key specifications for 252A 1-2IN KIT: Component Quantity: 5; Nonsupply Items and Quantities: DIAPHRAGM GASKET 1;SEAT,VALVE 1;STEM,DISK AND BUSHING ASSEMBLY 1;DIAPHRAGM SET 1;BOTTOM PLUG GASKET 1. 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.