The Valve,check, cataloged under National Stock Number 4820-01-119-2096, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 9 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 | 4820-01-119-2096 |
| Primary Part Number | 3187479 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flow Control Device | PISTON |
| Special Test Features | LESS THAN 0.1 IN.WATER COLUMN DROP IN 60 SEC. WITH A MINIMUM OF 40+ OR 40-1 IN.WATER COLUMN VACUUM APPLIED IN |
| Nominal Length | 1.320 INCHES ALL ENDS IN |
| Mounting Position | VERTICAL |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Width | 0.500 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 27 ALL ENDS |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 3187479 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 4820-01-119-2096 is a Valve,check, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-119-2096 has 1 manufacturer part number on file: 3187479 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3187479: Flow Control Device: PISTON; Special Test Features: LESS THAN 0.1 IN.WATER COLUMN DROP IN 60 SEC. WITH A MINIMUM OF 40+ OR 40-1 IN.WATER COLUMN VACUUM APPLIED IN; Nominal Length: 1.320 INCHES ALL ENDS IN; Mounting Position: VERTICAL. 9 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.