NSN 4820-00-281-2839
Part Details | RESTRICTOR CHECK VALVE
4820-00-281-2839 A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a VALVE, CHECK with the exception of the orifice which permits fluid flow in more than one direction.
Alternate Parts: 4R122125, 4R122-125, 6F2966125, 6F2966-125, 749959125, 749959-125, 4820-00-281-2839, 00-281-2839, 4820002812839, 002812839
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | AUG 25, 1973 | 00-281-2839 | 20520 ( VALVE, RESTRICTOR CHECK ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU

Cross Reference | NSN 4820-00-281-2839
Part Number | Cage Code | Manufacturer |
---|---|---|
4R122-125 | 82829 | ALLEN AIRCRAFT PRODUCTS INC |
6F2966-125 | 99240 | CRISSAIR, INC.DIV ESCO TECHNOLOGIES |
749959-125 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
Technical Data | NSN 4820-00-281-2839
Characteristic | Specifications |
---|---|
SURFACE TREATMENT | PASSIVATE |
STYLE DESIGNATOR | STRAIGHT THRU |
FLOW CONTROL DEVICE | POPPET |
VALVE OPERATION METHOD | AUTOMATIC |
MOUNTING POSITION | R$DVT |
DISK LOADING METHOD | SPRING |