The Valve,rotary,selector, cataloged under National Stock Number 4820-01-452-2686, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Air Warfare Ctr Aircraft Div. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-452-2686 |
| Primary Part Number | 43603-00701-3 |
| Item Name | Valve,rotary,selector |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Air Warfare Ctr Aircraft Div |
| Status | ACTIVE |
| Flow Control Device | CURVED ROTOR |
| Maximum Operating Temp and Media for Which Designed | 250.0 FAHRENHEIT AIR DEGF |
| Operating Pressure and Type | 250.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.375 INCHES IN |
| Flow Type | FOUR-WAY |
| Nominal Thread Size | 0.375 INCHES IN |
| Body Material | ALUMINUM ALLOY |
| Mounting Facility | SUB-PLATE |
| Connection Location | SIDE |
| Connection Quantity | 4 |
| Thread Series Designator | NPT |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 43603-00701-3 PRIMARY | Naval Air Warfare Ctr Aircraft Div (USA) |
| 8771-3/8AD2 | Hersh Packing & Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| 8771-3/8AD2 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division |
| 43033-212-00391 | 7/2 Vendor item drawing reference Navy, United States Department of the Dba Space & Naval Warfare Systems Center, Atlantic |
NSN 4820-01-452-2686 is a Valve,rotary,selector, manufactured by Naval Air Warfare Ctr Aircraft Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-452-2686 has 2 manufacturer part numbers on file: 43603-00701-3 (Naval Air Warfare Ctr Aircraft Div), 8771-3/8AD2 (Hersh Packing & Rubber Co).
Key specifications for 43603-00701-3: Flow Control Device: CURVED ROTOR; Maximum Operating Temp and Media for Which Designed: 250.0 FAHRENHEIT AIR DEGF; Operating Pressure and Type: 250.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS; Connection Type: THREADED INTERNAL PIPE. 13 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.