NSN 4820-00-477-9750
Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-00-477-9750 A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.
Alternate Parts: 8437270, 4820004779750, 4820004779750, B41120FF3, 4820-00-477-9750, 00-477-9750, 4820004779750, 004779750
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 25, 1970 | 00-477-9750 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
REFERENCE DRAWINGS & PICTURES
SINGLE CONNECTION, STRAIGHT FLOW
GASKET SEAL COMPRESSION
GASKET SEAL COMPRESSION
GASKET SEAL COMPRESSION
GASKET SEAL COMPRESSION
Cross Reference | NSN 4820-00-477-9750
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8437270 | 19204 | ARMY, UNITED STATES DEPARTMENT OFTHE |
| 4820004779750 | A00AM | E.C.A ETABLISSEMENT CENTRALDESAPPROVISIONNEMENTS DES FORCES |
| 4820004779750 | SCY13 | E.C.A ETABLISSEMENTCENTRALD'APPROVISIONNEMENT DES |
| B41120FF3 | 77842 | EATON CORPORATIONDBA CENTURIAN MECHANICAL SEALS |
Technical Data | NSN 4820-00-477-9750
| Characteristic | Specifications |
|---|---|
| BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
| BODY MATERIAL | ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T4 |
| OUTSIDE SURFACE TREATMENT | ANODIZED |
| SEAT MATERIAL | ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T4 |
| FLOW CONTROL DEVICE | W ANY ACCEPTABLE |
| FLOW CONTROL DEVICE MATERIAL | ALUMINUM |
| STEM MATERIAL | ALUMINUM |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL BOSS |
| FIRST END STYLE DESIGNATOR | 0 GASKET SEAL COMPRESSION |
| FIRST END THREAD CLASS | 3A |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| MEDIA FOR WHICH DESIGNED | OXYGEN, GASEOUS |
| TEMP RATING | -65.0 DEG FAHRENHEIT AND 180.0 DEG FAHRENHEIT |
| OPENING PRESSURE SETTING | 3.0 POUNDS PER SQUARE INCH |
| VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
| VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |
| DISK LOADING METHOD | SPRING |