The Valve,flow Control, cataloged under National Stock Number 4820-01-565-3773, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-565-3773 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 0.750 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 225.0 FAHRENHEIT WATER DEGF |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS |
| Connection Type | SOCKET, WELD, PIPE |
| Body Material | STEEL COMP 316 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6-3502-450SK | 5/2 Secondary reference U.S. Government activity |
| 8180901 | D/9 Drawing number reference only Naval Sea Systems Command |
| 516-8180901 ITEM F11 | 5/1 Secondary reference Naval Sea Systems Command |
| 6-3502CRS-4.50-AUT | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-565-3773 is a Valve,flow Control, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-565-3782. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-565-3773: Nominal Pipe Size Accommodated: 0.750 INCHES IN; Maximum Operating Temp and Media for Which Designed: 225.0 FAHRENHEIT WATER DEGF; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LBS; Connection Type: SOCKET, WELD, PIPE. 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.