The Valve,gate, cataloged under National Stock Number 4820-01-223-7739, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-223-7739 |
| Primary Part Number | 0.984 IN. FIG-56 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Stem Type | RISING |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.984 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Nominal Thread Size | 0.984 INCHES IN |
| Bonnet Attachment Method | THREADED |
| Material | STEEL DISK |
| Material | STEEL SEAT |
| Material | STEEL STEM |
| Material | COPPER ALLOY 922 BODY |
| 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 |
|---|---|
| FIG-56X25MM | The Walworth Company (USA) |
| 0.984 IN. FIG-56 PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 56 1IN.BRZ 150P | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
| FIG.56 1IN.BRZ.150PSI | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
NSN 4820-01-223-7739 is a Valve,gate, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-223-7739 has 2 manufacturer part numbers on file: FIG-56X25MM (The Walworth Company), 0.984 IN. FIG-56 (The Walworth Company).
Key specifications for 0.984 IN. FIG-56: Inlet Relationship with Outlet: IDENTICAL; Stem Type: RISING; Connection Type: THREADED INTERNAL PIPE; Valve Size: 0.984 INCHES IN. 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.