The Valve,gate, cataloged under National Stock Number 4820-01-423-3577, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bonney Forge Valve. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-423-3577 |
| Primary Part Number | 0.50IN-HL-12SW |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bonney Forge Valve |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 0.500 INCHES IN |
| Stem Type | RISING |
| Connection Type | SOCKET, WELD, PIPE |
| Valve Size | 0.500 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Pressure Class | ERR-060 |
| Material | STEEL BODY |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING STEM |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 0.50IN-HL-12SW PRIMARY | Bonney Forge Valve (USA) |
| 0.50IN-HL-12SW | Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of (USA) |
| BONNEY FG CAT0.50IN-HL-12SW | Bonney Forge Valve (USA) |
NSN 4820-01-423-3577 is a Valve,gate, manufactured by Bonney Forge Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-423-3577 has 3 manufacturer part numbers on file: 0.50IN-HL-12SW (Bonney Forge Valve), 0.50IN-HL-12SW (Valve Automation and Control of San Diego Dba Valve Automation & Control of San Diego Div Valve Automation and Controls of), BONNEY FG CAT0.50IN-HL-12SW (Bonney Forge Valve).
Key specifications for 0.50IN-HL-12SW: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 0.500 INCHES IN; Stem Type: RISING; Connection Type: SOCKET, WELD, PIPE. 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.