NSN 4820-01-012-6847
Part Details | RESTRICTOR CHECK VALVE
4820-01-012-6847 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: 7M8453, 7M845-3, 68B690101139, 68B690101-139, 5590139, 5590-139, 5590139, 5590-139, 4820-01-012-6847, 01-012-6847, 4820010126847, 010126847
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | NOV 16, 1975 | 01-012-6847 | 20520 ( VALVE, RESTRICTOR CHECK ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-01-012-6847
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7M845-3 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 68B690101-139 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 5590-139 | 76301 | BOEING COMPANY, THEDBA BOEING |
| 5590-139 | 18355 | BOEING COMPANY, THEDBA BOEING |
Technical Data | NSN 4820-01-012-6847
| Characteristic | Specifications |
|---|---|
| SURFACE TREATMENT | PASSIVATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| STYLE DESIGNATOR | STRAIGHT THRU |
| APERTURE DIAMETER | 0.139 INCHES NOMINAL |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| MOUNTING POSITION | R$DVT |
| DISK LOADING METHOD | SPRING |
| SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL |
| CRITICALITY CODE JUSTIFICATION | FEAT |