The Parts Kit,vent Valve, cataloged under National Stock Number 4820-01-408-4755, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-408-4755 |
| Primary Part Number | 0794060 |
| Item Name | Parts Kit,vent Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| End Item Source | 79227 |
| End Item Name | BACKFLOW PREVENTER |
| 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 |
|---|---|
| LFRK909M1-VT 1 1/4-2 | Watts Regulator Company (USA) |
| 0794060 PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| 887138 | 5/9 Secondary reference Watts Regulator Company |
| RK909VT-887138 | 5/9 Secondary reference Watts Regulator Company |
NSN 4820-01-408-4755 is a Parts Kit,vent Valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-408-4755 has 2 manufacturer part numbers on file: LFRK909M1-VT 1 1/4-2 (Watts Regulator Company), 0794060 (Watts Regulator Company).
Key specifications for 0794060: End Item Source: 79227; End Item Name: BACKFLOW PREVENTER; End Item Identification: SERIES 909,SIZE 1 1/4 TO 2 IN. IN. 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.