The Valve,check, cataloged under National Stock Number 4820-01-539-3744, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Servend Intl Inc. Government technical data includes 3 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 | 4820-01-539-3744 |
| Primary Part Number | 5010380 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Servend Intl Inc |
| Status | ACTIVE |
| Style Designator | SCREW-IN CARTRIDGE |
| Media for Which Designed | CARBON DIOXIDE SINGLE RESPONSE |
| 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 |
|---|---|
| MD200/250 PARTS LIST ITEM 27 | Servend Intl Inc (USA) |
| 5010380 PRIMARY | Servend Intl Inc (USA) |
NSN 4820-01-539-3744 is a Valve,check, manufactured by Servend Intl Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-539-3744 has 2 manufacturer part numbers on file: MD200/250 PARTS LIST ITEM 27 (Servend Intl Inc), 5010380 (Servend Intl Inc).
Key specifications for 5010380: Style Designator: SCREW-IN CARTRIDGE; Special Features: NEXT HIGHER ASSEMBLY: P/N 5009780, 5 PORT MANIFOLD; USED ON M200/250 BEVERAL DISPENSER, P/N 5010330; Media for Which Designed: CARBON DIOXIDE SINGLE RESPONSE; Part Name Assigned by Controlling Agency: VALVE CHK DOUBLE 1/8 NPT X 0.116 CHUDNOW. 3 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.