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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
99517 VACCO INDUSTRIES DIV VACCO

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
MATT MATERIAL STEEL COMP 303 FLOW CONTROL DEVICE
MATT MATERIAL STEEL COMP 303 FLOW CONTROL DEVICE
AAJD THREAD CLASS 3A ALL ENDS
CQGM MAXIMUM OPERATING PRESSURE 3100.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
ADSR BONNET TYPE INSIDE SPRING
AEHZ MAXIMUM OPERATING TEMP 225.0 DEG FAHRENHEIT SINGLE RESPONSE
MDCL MATERIAL DOCUMENT AND CLASSIFICATION FEDSTD66AISI303/SAE30303 FED STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
THSD THREAD SERIES DESIGNATOR UNF ALL ENDS
AQLR VALVE OPERATION METHOD AUTOMATIC
CBBL FEATURES PROVIDED BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE
AWLS CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
CWFD NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES ALL ENDS
SFTT SURFACE TREATMENT ANODIZE
CQJX NOMINAL THREAD SIZE 0.562 INCHES ALL ENDS
MEDA MEDIA FOR WHICH DESIGNED AIR SINGLE RESPONSE
STYL STYLE DESIGNATOR ERR-090
ADST BONNET ATTACHMENT METHOD INTEGRAL
AAJF THREAD DIRECTION RIGHT-HAND ALL ENDS
ADQU FLOW CONTROL DEVICE POPPET
CSDC OPENING PRESSURE SETTING 225.0 POUNDS PER SQUARE INCH
ADSU DISK LOADING METHOD SPRING
CQRB SEAT ANGLE 37.0 DEGREES ALL ENDS
MATT MATERIAL ALUMINUM ALLOY SEAT
CQCY ADJUSTABLE PRESSURE RANGE +115.0/+250.0 POUNDS PER SQUARE INCH
AHNC CONNECTION STYLE ERR-090 ERR-100
CMLP THREAD QUANTITY PER INCH 18 ALL ENDS
MATT MATERIAL ALUMINUM ALLOY BODY

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