NSN 4820-01-036-2181

Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-01-036-2181 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: 12983653, 1298365-3, 4820-01-036-2181, 01-036-2181, 4820010362181, 010362181

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48FEB 24, 197701-036-218110958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS )
REFERENCE DRAWINGS & PICTURES

SINGLE CONNECTION, STRAIGHT FLOW

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

Cross Reference | NSN 4820-01-036-2181
Part Number Cage Code Manufacturer
1298365-330003NAVAL AIR SYSTEMS COMMAND MANAGEDORIGINAL DESIGN ACTIVITY NOT
Technical Data | NSN 4820-01-036-2181
Characteristic Specifications
BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW
FLOW CONTROL DEVICE ANY ACCEPTABLE
END CONNECTION QUANTITY1
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR1 SWIVEL NUT, FLARE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
MAXIMUM OPERATING PRESSURE1.5 POUNDS PER SQUARE INCH
TEMP RATING80.0 DEG FAHRENHEIT AND 160.0 DEG FAHRENHEIT
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE AND VACUUM