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National Stock Number (NSN) Output Data

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.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
ES9998 20418 C 7 1 A AX
ES9998-03 20418 C 5 2 E AX
D524TP-4D-25 91816 A 3 2 E AX

CAGE Information

Code Company
20418 DRS SUSTAINMENT SYSTEMS INC. DIV DRS
91816 CIRCOR AEROSPACE INC. DBA CIRCLE SEA

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
ADSR BONNET TYPE INSIDE SCREW
AAJD THREAD CLASS 3A ALL ENDS
MEDA MEDIA FOR WHICH DESIGNED HELIUM 3RD RESPONSE
CQJX NOMINAL THREAD SIZE 0.438 INCHES ALL ENDS
AQLR VALVE OPERATION METHOD AUTOMATIC
MEDA MEDIA FOR WHICH DESIGNED AIR 1ST RESPONSE
AEHZ MAXIMUM OPERATING TEMP 400.0 DEG FAHRENHEIT SINGLE RESPONSE
AWLS CONNECTION TYPE THREADED EXTERNAL TUBE ALL ENDS
STYL STYLE DESIGNATOR ERR-090
THSD THREAD SERIES DESIGNATOR UNJF ALL ENDS
MATT MATERIAL STEEL CORROSION RESISTING BODY
AAJF THREAD DIRECTION RIGHT-HAND ALL ENDS
ADQU FLOW CONTROL DEVICE POPPET
MEDA MEDIA FOR WHICH DESIGNED CARBON DIOXIDE 2ND RESPONSE
ADST BONNET ATTACHMENT METHOD THREADED
AHNC CONNECTION STYLE ERR-090 ERR-100
CSDC OPENING PRESSURE SETTING 25.0 POUNDS PER SQUARE INCH
CQGM MAXIMUM OPERATING PRESSURE 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE

Similar Parts

ES9998 , ES9998 , 4820-01-304-5534 , 4820013045534 , 013045534 , ES9998 , ES9998-03 , D524TP-4D-25 ,