The Valve,check, cataloged under National Stock Number 4820-01-359-6353, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Electro Steam Generator Corporation. Government technical data includes 10 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 | 4820-01-359-6353 |
| Primary Part Number | 0012016 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Electro Steam Generator Corporation |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Thread Class | 2B ALL ENDS |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | UNF 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 |
|---|---|
| 0012016 PRIMARY | Electro Steam Generator Corporation (USA) |
NSN 4820-01-359-6353 is a Valve,check, manufactured by Electro Steam Generator Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-359-6353 has 1 manufacturer part number on file: 0012016 (Electro Steam Generator Corporation).
Key specifications for 0012016: Flow Control Device: DISK; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL TUBE ALL ENDS; Style Designator: STRAIGHT THRU. 10 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.