The Cover Plate,valve, cataloged under National Stock Number 4820-01-520-6766, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-520-6766 |
| Primary Part Number | 0794045 |
| Item Name | Cover Plate,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| General Characteristics Item Description | SINGLE ACCESS COVER; COVER BOLTS - STAINLESS STEEL |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| LFRK 009M3-C 3/4 | Watts Regulator Company (USA) |
| 0794045 PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| 3/4RK-009M3-C/0888525 | 5/9 Secondary reference Watts Regulator Company |
| 0888525 | 5/9 Secondary reference Watts Regulator Company |
NSN 4820-01-520-6766 is a Cover Plate,valve, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-520-6766 has 2 manufacturer part numbers on file: LFRK 009M3-C 3/4 (Watts Regulator Company), 0794045 (Watts Regulator Company).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-642-9305. Verify interchangeability with system specifications before substitution.
Key specifications for 0794045: General Characteristics Item Description: SINGLE ACCESS COVER; COVER BOLTS - STAINLESS STEEL; Special Features: USED ON 3/4" 009 SERIES VALVE BACKFLOW PRVNT; Material: COPPER ALLOY. 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.