The Valve,gate, cataloged under National Stock Number 4820-01-444-9238, 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 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-444-9238 |
| Primary Part Number | 408-OSY-RW-3.00INEDP702315 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Maximum Operating Temp and Media for Which Designed | 140.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | ASTM A126, CLASS B ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B21 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 3.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 4 |
| Flange Diameter | 7.500 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 8.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | IRON CAST UNS F12102 BODY |
| Material | COPPER ALLOY STEM |
| Material | IRON CAST AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR DISK |
| 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 |
|---|---|
| 408-OSY-RW-3.00INEDP702315 PRIMARY | Watts Regulator Company (USA) |
| Reference | Meaning |
|---|---|
| 408-OSY-RW-3.00INEDP702315 | 5/9 Secondary reference Key Industries Inc Dba Liberty Equipment and Supply Co |
NSN 4820-01-444-9238 is a Valve,gate, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-444-9238 has 1 manufacturer part number on file: 408-OSY-RW-3.00INEDP702315 (Watts Regulator Company).
Key specifications for 408-OSY-RW-3.00INEDP702315: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Maximum Operating Temp and Media for Which Designed: 140.0 FAHRENHEIT WATER-OIL-GAS DEGF. 19 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.