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Part Number

Part Number:
NSN:
NIIN:
Item Name:
VALVE , PRESSURE EQUALIZING , GASEOU

Definition:

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.

CAGE Information

Code Company
11214 HARDIGG INDUSTRIES INC. DBA HARDIGG

Federal Supply Class

Title

VALVES, NONPOWERED

Inclusions:

INCLUDES AUTOMATIC NONPOWERED VALVES; GATE, GLOBE, ANGLE, CHECK, AND RELIEF VALVES; COCKS.

Exclusions:

EXCLUDES FIRE HYDRANTS (FSC 4210); SPRINKLER HEADS (FSC 4210); VALVES SPECIFICALLY DESIGNED FOR USE WITH FIRE FIGHTING EQUIPMENT (FSC 4210); PLUMBING EQUIPMENT, AND THE LIKE (FSC 4540).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AFLF VALVE RELIEF DESIGN TYPE PRESSURE AND VACUUM
CQYM FIRST END NOMINAL THREAD SIZE 0.875 INCHES
AAJJ MAXIMUM OPERATING PRESSURE 15.0 POUNDS PER SQUARE INCH
CQMM FIRST END THREAD SERIES DESIGNATOR UNS
ACKL MEDIA FOR WHICH DESIGNED AIR
ADQZ END CONNECTION QUANTITY 1
ACLL FIRST END THREAD DIRECTION RIGHT-HAND
AFLE VALVE VENTING DESIGN TYPE ATMOSPHERIC
ADQU FLOW CONTROL DEVICE POPPET
ACKN FIRST END STYLE DESIGNATOR EXTERNAL SEAT FOR GASKET SEAL
ACKM FIRST END CONNECTION TYPE THREADED EXTERNAL BOSS
ABJH TEMP RATING 180.0 DEG FAHRENHEIT
ACLK FIRST END THREAD CLASS 2A
AAFZ BODY MATERIAL ALUMINUM ALLOY
AAQL BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW

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