NSN 4820-00-226-5551

Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-00-226-5551 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: 629L20S170, 4820-00-226-5551, 00-226-5551, 4820002265551, 002265551

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196100-226-555110958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS )
REFERENCE DRAWINGS & PICTURES

SINGLE CONNECTION, STRAIGHT FLOW

RECESSED

OVAL W/ BOLT HOLES

RECESSED

OVAL W/ BOLT HOLES

RECESSED

OVAL W/ BOLT HOLES

RECESSED

OVAL W/ BOLT HOLES

Cross Reference | NSN 4820-00-226-5551
Part Number Cage Code Manufacturer
629L20S17015939STRATOTECH LLC
Technical Data | NSN 4820-00-226-5551
Characteristic Specifications
BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ALUMINUM ALLOY
OUTSIDE SURFACE TREATMENT ANODIZED
SEAT MATERIAL PLASTIC
FLOW CONTROL DEVICEG ANY ACCEPTABLE
FLOW CONTROL DEVICE MATERIAL PLASTIC
END CONNECTION QUANTITY1
FIRST END CONNECTION TYPE RECESSED FLANGE
FIRST END STYLE DESIGNATOR RECESSED
FIRST END RECESS DIAMETER0.665 INCHES NOMINAL
FIRST END RECESS DEPTH0.045 INCHES NOMINAL
FIRST END FLANGE SHAPE STYLE OVAL W/ BOLT HOLES
FIRST END BOLT HOLE QUANTITY2
FIRST END FLANGE THICKNESS0.156 INCHES NOMINAL
FIRST END FLANGE LENGTH1.302 INCHES NOMINAL
FIRST END FLANGE WIDTH1.000 INCHES NOMINAL
FIRST END FLANGE END RADIUS0.500 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.095 INCHES NOMINAL
FIRST END BOLT CIRCLE DIAMETER0.800 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED AIR
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE AND VACUUM
DISK LOADING METHOD SPRING
FURNISHED ITEMS GASKET