4820-01-059-1172 VALVE,CHECK Index 4820-01-059-1174 VALVE,BALL

National Stock Number:
4820-01-059-1173

Federal Supply Class:
4820

National Item Identification Number:
010591173

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:
GV500TC26512NORTHROP GRUMMAN SYSTEMS CORPORATION
GV500TC20FMK26512NORTHROP GRUMMAN SYSTEMS CORPORATION
L81400-20FMK01178LOURDES INDUSTRIES, INC.


Techincal Specification:
BOLT HOLE NOMINAL DIAMETER2.500 INCHES SECOND END
BOLT HOLE QUANTITY4 SECOND END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.656 INCHES SECOND END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.656 INCHES FIRST END
CONNECTION STYLEPLAIN (TUBE) FIRST END
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
DISK LOADING METHODSPRING
FLANGE FACE DESIGNPLAIN SECOND END
FLANGE SHAPERECTANGULAR WITH HOLES SECOND END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25897, TYPE 1, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3, ALLOY 2024, T4 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 FLOW CONTROL DEVICE
MATERIALALUMINUM ALLOY 6061 BODY
MATERIALRUBBER SEAT
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SECOND RESPONSE
MOUNTING POSITIONHORIZONTAL
NOMINAL LENGTH2.188 INCHES SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.520 INCHES FIRST END
NOMINAL THICKNESS0.300 INCHES SECOND END
NOMINAL WIDTH2.188 INCHES SECOND END
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTANODIZE


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