The Valve,gate, cataloged under National Stock Number 4820-01-285-6149, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-285-6149 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 CAP AND 1 CHAIN |
| Inlet Relationship with Outlet | NOT IDENTICAL |
| Flange Face Design | PLAIN |
| Stem Type | RISING |
| Connection Type | FLANGE, ROUND W/HOLES AND THREADED EXTERNAL HOSE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | ASTM A494 GR-30C ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM A494 GR-30H ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM B61 OR B62 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Valve Size | 2.500 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Nominal Thread Size | 2.500 INCHES IN |
| Bolt Hole Quantity | 4 |
| Flange Diameter | 7.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 6.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | COPPER ALLOY BODY |
| Material | NICKEL ALLOY 400 SEAT |
| Material | NICKEL ALLOY DISK |
| Material | NICKEL ALLOY 400 STEM |
| Thread Series Designator | NH |
| 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 |
| Reference | Meaning |
|---|---|
| B-107-0250-R 2.50IN | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| B-107-0250-R 2.50IN | 5/9 Secondary reference Pima Valve, Llc |
| B-107E-0250 | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| B-107E-0250 | 3/9 Design control — primary reference Pima Valve, Llc |
| B-107-02.50 | D/9 Drawing number reference only Pima Valve, Llc |
NSN 4820-01-285-6149 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-285-6149: Furnished Items and Quantity: 1 CAP AND 1 CHAIN; Inlet Relationship with Outlet: NOT IDENTICAL; Flange Face Design: PLAIN; Stem Type: RISING. 23 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.