2915-00-083-1234 VALVE ASSEMBLY,FUEL Index 4820-00-083-1237 FLAPPER,BUTTERFLY

National Stock Number:
4820-00-083-1235

Federal Supply Class:
4820

National Item Identification Number:
000831235

Description:
VALVE,CHECK

Detail:
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.


Manufacturer Information:
128SCP18526512NORTHROP GRUMMAN SYSTEMS CORPORATION
128SCP185-126512NORTHROP GRUMMAN SYSTEMS CORPORATION
LH1069001178LOURDES INDUSTRIES, INC.
LH10690-301178LOURDES INDUSTRIES, INC.
128SCP185-526512NORTHROP GRUMMAN SYSTEMS CORPORATION
128SCP185-579RG9NORTHROP GRUMMAN SYSTEMS CORPORATION


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
ALUMINUM ALLOY FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
SURFACE TREATMENTANODIZE
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
THREADED INTERNAL BOSS 2ND END
CONNECTION STYLEFLARED (TUBE) 1ST END
GASKET SEAL (BOSS) 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
THREAD SERIES DESIGNATORUNF 1ST END
UNJF 2ND END
NOMINAL THREAD SIZE0.437 INCHES 1ST END
0.438 INCHES 2ND END
THREAD CLASS3A 1ST END
3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
RIGHT-HAND 2ND END
MOUNTING POSITIONHORIZONTAL OR
VERTICAL
DISK LOADING METHODSPRING


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