The Repair Kit,valve, cataloged under National Stock Number 4820-01-659-1609, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-659-1609 |
| Primary Part Number | 0794106 |
| Item Name | Repair Kit,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Valve Model Number for Which Designed | 909, LF909 |
| 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 |
|---|---|
| 0794106 PRIMARY | Watts Regulator Company (USA) |
| LFRK 909-S 3" PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| LFRK 909-S 2 1/2-3 | C/1 Advisory reference — outside the item-of-supply concept Watts Regulator Company |
NSN 4820-01-659-1609 is a Repair Kit,valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-659-1609 has 2 manufacturer part numbers on file: 0794106 (Watts Regulator Company), LFRK 909-S 3" (Watts Regulator Company).
Key specifications for 0794106: Valve Model Number for Which Designed: 909, LF909; Special Features: KIT CONSISTS OF: SEAT, SEAT O-RING, COVER O-RING, RETAINER WIRES AND LUBRICANT.; Part Name Assigned by Controlling Agency: SEAT KIT; End Item Identification: BACKFLOW PREVENTION, REDUCED PRESSURE ZONE ASSEMBLIES;. 1 specification is 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.