The Valve,check, cataloged under National Stock Number 4820-01-344-8993, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Boeing Company Div Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,check |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | The Boeing Company Div Defense (CAGE 76301); The Boeing Company Div Services (CAGE 0PXV4) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-344-8993 |
| Primary Part Number | 14-2800-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 14-2800-1 PRIMARY | The Boeing Company Div Defense (USA) |
| 14-2800-1 | The Boeing Company Div Services (USA) |
| Reference | Meaning |
|---|---|
| 10124713 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| A14-2800 | 5/9 Secondary reference U.S. Government activity |
| 14-2800-1 | 3/9 Design control — primary reference U.S. Government activity |
| 14-2800 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-344-8993 is a Valve,check, manufactured by The Boeing Company Div Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-344-8993 has 2 manufacturer part numbers on file: 14-2800-1 (The Boeing Company Div Defense), 14-2800-1 (The Boeing Company Div Services).
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.