NSN 4820-00-301-0256
Part Details | RESTRICTOR CHECK VALVE
4820-00-301-0256 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: 749986103, 749986-103, 2700172, 2700122, 4820-00-301-0256, 00-301-0256, 4820003010256, 003010256
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | OCT 12, 1973 | 00-301-0256 | 20520 ( VALVE, RESTRICTOR CHECK ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-00-301-0256
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 749986-103 | 98897 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN AERONAUTICS |
| 2700172 | 92003 | PARKER HANNIFIN CORPORATIONDIV AEROSPACE GROUP HEADQUARTERS |
| 2700122 | 92003 | PARKER HANNIFIN CORPORATIONDIV AEROSPACE GROUP HEADQUARTERS |
Technical Data | NSN 4820-00-301-0256
| Characteristic | Specifications |
|---|---|
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | STRAIGHT THRU |
| APERTURE DIAMETER | 0.060 INCHES NOMINAL |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| MOUNTING POSITION | R$DVT |
| DISK LOADING METHOD | SPRING |