The Valve,liquid-Check, cataloged under National Stock Number 4820-01-440-8964, 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 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-440-8964 |
| Primary Part Number | H-62-SW 1IN |
| Item Name | Valve,liquid-Check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bonney Forge Valve |
| Status | ACTIVE |
| Flow Control Device | DISKDISK |
| Connection Type | UNTHREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Disk Loading Method | SPRINGSPRING |
| Material | STEEL CORROSION RESISTING BODY |
| 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 |
|---|---|
| H-62-SW 1IN PRIMARY | Bonney Forge Valve (USA) |
| Reference | Meaning |
|---|---|
| 1-H-62-SW | 5/9 Secondary reference Bonney Forge Valve |
| 1-H-62-SW | 5/9 Secondary reference Cook Bros. Mfg.& Supply Co. |
NSN 4820-01-440-8964 is a Valve,liquid-Check, manufactured by Bonney Forge Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-8964 has 1 manufacturer part number on file: H-62-SW 1IN (Bonney Forge Valve).
Key specifications for H-62-SW 1IN: Flow Control Device: DISKDISK; Connection Type: UNTHREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Disk Loading Method: SPRINGSPRING. 5 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.