The Valve,gate, cataloged under National Stock Number 4820-01-310-6579, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-310-6579 |
| Primary Part Number | NB-25025-1200-HH |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Maximum Operating Temp and Media for Which Designed | 150.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY STEM |
| Material | NICKEL ALLOY SEAT |
| Material | COPPER ALLOY 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 |
|---|---|
| NB-25025-1200-HH PRIMARY | Hunt Valve Company, Inc. (USA) |
| NB-25025-E-12MOD W/HH-325 | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| PS-NB25025E-HH3 | D/9 Drawing number reference only Pima Valve, Llc |
| NB-25025-1200-HH | 3/9 Design control — primary reference Pima Valve, Llc |
| NB-25025-E-12MOD W/HH-325 | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-01-310-6579 is a Valve,gate, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-310-6579 has 2 manufacturer part numbers on file: NB-25025-1200-HH (Hunt Valve Company, Inc.), NB-25025-E-12MOD W/HH-325 (Hunt Valve Company, Inc.).
Key specifications for NB-25025-1200-HH: Inlet Relationship with Outlet: IDENTICAL; Maximum Operating Temp and Media for Which Designed: 150.0 FAHRENHEIT WATER-OIL-GAS DEGF; Operating Pressure and Type: 250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS 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.
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.