4820-01-138-6720 VALVE,CHECK Index 4820-01-138-6722 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-138-6721

Federal Supply Class:
4820

National Item Identification Number:
011386721

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:
675VP04-181755LOCKHEED MARTIN CORPORATION
859A12BT91816CIRCOR AEROSPACE, INC.


Techincal Specification:
CONNECTION TYPETHREADED EXTERNAL TUBE 1ST END
CONNECTION STYLEFLARED (TUBE) 1ST END
CONNECTION STYLEGASKET SEAL (BOSS) 2ND END
CONNECTION TYPETHREADED INTERNAL BOSS 2ND END
FLOW CONTROL DEVICEPOPPET
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3, ALLOY 2024, TA FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIALALUMINUM ALLOY 2024 BODY
MAXIMUM OPERATING TEMP280.0 FAHRENHEIT SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE600.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDAIR 1ST RESPONSE
MEDIA FOR WHICH DESIGNEDALCOHOL, ETHYL 2ND RESPONSE
MEDIA FOR WHICH DESIGNEDCARBON DIOXIDE 3RD RESPONSE
MEDIA FOR WHICH DESIGNEDETHYLENE GLYCOL 4TH RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON 5TH RESPONSE
MINIMUM OPERATING TEMP-40.0 FAHRENHEIT
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL THREAD SIZE1.062 INCHES 1ST END
NOMINAL THREAD SIZE1.062 INCHES 2ND END
SEAT ANGLE37.0 DEGREES 1ST END
STYLE DESIGNATORSTRAIGHT THRU
THREAD CLASS3A 1ST END
THREAD CLASS3B 2ND END
THREAD DIRECTIONRIGHT-HAND 1ST END
THREAD DIRECTIONRIGHT-HAND 2ND END
THREAD QUANTITY PER INCH12 1ST END
THREAD QUANTITY PER INCH12 2ND END
THREAD SERIES DESIGNATORUN 1ST END
THREAD SERIES DESIGNATORUN 2ND END
VALVE OPERATION METHODAUTOMATIC


Click here to Register for Free 30-day Trial