The Valve,gate, cataloged under National Stock Number 4820-00-239-2237, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-239-2237 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Nominal Pipe Size Accommodated | 2.500 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 500.0 FAHRENHEIT WATER, SALT DEGF |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Criticality Code Justification | ZZZY |
| Connection Type | BUTT WELD PIPE |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Material | NICKEL ALLOY SEAT |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | MATL WILL BE IAW SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| N11398-1-3-50-1 | 5/9 Secondary reference U.S. Government activity |
| N11398-1-3-2 1-2IN | 5/9 Secondary reference U.S. Government activity |
| N-11398-1-3(2.50IN) | 5/1 Secondary reference The Walworth Company |
| N-11398-1-3 | 5/1 Secondary reference The Walworth Company |
| A-7509-M-207 | 3/1 Design control — primary reference The Walworth Company |
NSN 4820-00-239-2237 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-146-7908. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-00-239-2237: Nominal Pipe Size Accommodated: 2.500 INCHES IN; Maximum Operating Temp and Media for Which Designed: 500.0 FAHRENHEIT WATER, SALT DEGF; Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Stem Type: RISING. 12 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.
NSN 4820-00-239-2237 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
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.