The Valve,check, cataloged under National Stock Number 4820-01-345-3815, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is King Engineering Corporation Dba King-Gage Systems. Government technical data includes 2 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-345-3815 |
| Primary Part Number | K-2000-1-720 ITEM 4526-2 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | King Engineering Corporation Dba King-Gage Systems |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | AIR SINGLE RESPONSE |
| 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 |
|---|---|
| K-2000-1-720 ITEM 4526-2 PRIMARY | King Engineering Corporation Dba King-Gage Systems (USA) |
| 4526-2 | King Engineering Corporation Dba King-Gage Systems (USA) |
NSN 4820-01-345-3815 is a Valve,check, manufactured by King Engineering Corporation Dba King-Gage Systems, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-345-3815 has 2 manufacturer part numbers on file: K-2000-1-720 ITEM 4526-2 (King Engineering Corporation Dba King-Gage Systems), 4526-2 (King Engineering Corporation Dba King-Gage Systems).
Key specifications for K-2000-1-720 ITEM 4526-2: Style Designator: STRAIGHT THRU; Media for Which Designed: AIR SINGLE RESPONSE; End Item Identification: KING ENGINEERING CORP PNEUMATIC RELAY MODEL NO. 720. 2 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.