The Parts Kit,check Valve, cataloged under National Stock Number 4820-01-444-9746, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-444-9746 |
| Primary Part Number | 0887730 RK 909 S 3.00IN |
| Item Name | Parts Kit,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Component Quantity | 5 |
| Document Type | MFR CATALOG |
| Component Document Page Number | 11 |
| Supply Items and Quantities | SEAT 1; SEAT O-RING 1; COVER O-RING 1; RETAINER WIRE 1; LUBRICANT 1 |
| 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 |
|---|---|
| 0887730 RK 909 S 3.00IN PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| 887730 RK 909 S 3.00IN | 3/9 Design control — primary reference Watts Regulator Company |
| 887730 RK 909 S 3.00IN | 5/9 Secondary reference Key Industries Inc Dba Liberty Equipment and Supply Co |
NSN 4820-01-444-9746 is a Parts Kit,check Valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-444-9746 has 1 manufacturer part number on file: 0887730 RK 909 S 3.00IN (Watts Regulator Company).
Key specifications for 0887730 RK 909 S 3.00IN: Component Quantity: 5; Document Type: MFR CATALOG; Component Document Page Number: 11; Supply Items and Quantities: SEAT 1; SEAT O-RING 1; COVER O-RING 1; RETAINER WIRE 1; LUBRICANT 1. 5 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.