NSN 4820-00-122-1121
Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE
4820-00-122-1121 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: TA33092201062, TA330-9220106-2, TA3303030R, TA330-30-30R, TA33092201062REVD, TA330-9220106-2REVD, 92201062, 9220106-2, 4820-00-122-1121, 00-122-1121, 4820001221121, 001221121
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | OCT 28, 1968 | 00-122-1121 | 10958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS ) |
REFERENCE DRAWINGS & PICTURES
SINGLE CONNECTION, STRAIGHT FLOW

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Cross Reference | NSN 4820-00-122-1121
Part Number | Cage Code | Manufacturer |
---|---|---|
TA330-9220106-2 | 08992 | AGM CONTAINER CONTROLS INC.DBA A G M |
TA330-30-30R | 08992 | AGM CONTAINER CONTROLS INC.DBA A G M |
TA330-9220106-2REVD | 08992 | AGM CONTAINER CONTROLS INC.DBA A G M |
9220106-2 | 19203 | PICATINNY ARSENAL |
Technical Data | NSN 4820-00-122-1121
Characteristic | Specifications |
---|---|
BODY STYLE | SINGLE CONNECTION, STRAIGHT FLOW |
BODY MATERIAL | ALUMINUM ALLOY |
OUTSIDE SURFACE TREATMENT | ANODIZED |
SEAT MATERIAL | ALUMINUM ALLOY |
FLOW CONTROL DEVICE | G ANY ACCEPTABLE |
END CONNECTION QUANTITY | 1 |
FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
FIRST END STYLE DESIGNATOR | PLAIN |
FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES |
FIRST END THREAD DIRECTION | RIGHT-HAND |
MAXIMUM OPERATING PRESSURE | 4.5 POUNDS PER SQUARE INCH |
MEDIA FOR WHICH DESIGNED | AIR |
VALVE VENTING DESIGN TYPE | ATMOSPHERIC |
VALVE RELIEF DESIGN TYPE | PRESSURE AND VACUUM |
FURNISHED ITEMS | MANUAL UNLOADER ON VACUUM SIDE AND NUT AND GASKET AND WASHER |