The Valve,check, cataloged under National Stock Number 4820-01-077-7205, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is F.c.kingston Co. Dba Storm Manufacturing. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-077-7205 |
| Primary Part Number | 224A 3/4 X 1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | F.c.kingston Co. Dba Storm Manufacturing |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN (PIPE) FIRST END |
| Mounting Position | VERTICAL |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Disk Loading Method | SPRING |
| Material | COPPER ALLOY 360 BODY |
| Material | PLASTIC ACETAL FLOW CONTROL DEVICE |
| Thread Series Designator | NPT ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 224A 3/4 X 1 PRIMARY | F.c.kingston Co. Dba Storm Manufacturing (USA) |
NSN 4820-01-077-7205 is a Valve,check, manufactured by F.c.kingston Co. Dba Storm Manufacturing, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-077-7205 has 1 manufacturer part number on file: 224A 3/4 X 1 (F.c.kingston Co. Dba Storm Manufacturing).
Key specifications for 224A 3/4 X 1: Flow Control Device: DISK; Connection Style: PLAIN (PIPE) FIRST END; Mounting Position: VERTICAL; Connection Type: THREADED INTERNAL PIPE SECOND END. 14 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.