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Part Number

Part Number:
NSN:
NIIN:
Item Name:
VALVE , SAFETY RELIEF

Definition:

A VALVE DESIGNED TO AUTOMATICALLY RELEASE EXCESSIVE PRESSURES. IT IS ACTUATED BY STATIC PRESSURE UPSTREAM OF THE VALVE AND IS USED AS A SAFETY VALVE OR RELIEF VALVE, AND MAY BE SET TO CLOSE AT A PREDETERMINED PRESSURE. IT IS NOT DESIGNED FOR REGULATION OF CONTINUOUSLY FLUCTUATING LOADS. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. EXCLUDES VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

CAGE Information

Code Company
26512 NORTHROP GRUMMAN SYSTEMS CORPORATION

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
CWFD NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END
CWFD NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END
THSD THREAD SERIES DESIGNATOR UNJF 1ST END
AQLR VALVE OPERATION METHOD AUTOMATIC
CQRB SEAT ANGLE 37.0 DEGREES 1ST END
CSDC OPENING PRESSURE SETTING 500.0 POUNDS PER SQUARE INCH
CQGM MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SFTT SURFACE TREATMENT ANODIZE
AAJF THREAD DIRECTION RIGHT-HAND 1ST END
STYL STYLE DESIGNATOR ERR-090
MATT MATERIAL ALUMINUM ALLOY 2024 BODY
AAJD THREAD CLASS 3B 1ST END
ADQU FLOW CONTROL DEVICE POPPET
ADSY VALVE DISCHARGE FLOW RATE 1.2 GALLONS PER MINUTE
ADSU DISK LOADING METHOD SPRING
AEHZ MAXIMUM OPERATING TEMP 275.0 DEG FAHRENHEIT SINGLE RESPONSE
AHNC CONNECTION STYLE ERR-090 ERR-100
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
CQJX NOMINAL THREAD SIZE 0.437 INCHES 1ST END
MATT MATERIAL ALUMINUM ALLOY 2024 SEAT
CMLP THREAD QUANTITY PER INCH 20 1ST END
AWLS CONNECTION TYPE THREADED INTERNAL BOSS 1ST END

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