4820-00-024-4734 VALVE,CHECK Index 1680-00-024-4752 SEAT,AIRCRAFT EJECTION

National Stock Number:
4820-00-024-4744

Federal Supply Class:
4820

National Item Identification Number:
000244744

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:
GV500LU16MF26512NORTHROP GRUMMAN SYSTEMS CORPORATION
L52200-16MF01178LOURDES INDUSTRIES, INC.


Techincal Specification:
MATERIALALUMINUM ALLOY BODY
STEEL FLOW CONTROL DEVICE
ALUMINUM ALLOY SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE BODY
QQ-S-764,TYPE 303-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
QQ-A-225/8, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE SEAT
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MAXIMUM OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
MAXIMUM OPERATING TEMP350.0 DEG FAHRENHEIT SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
CONNECTION TYPEFLANGE 1ST END
UNTHREADED EXTERNAL HOSE 2ND END
CONNECTION STYLEBEADED (HOSE) 2ND END
FLANGE SHAPERECTANGULAR WITH HOLES 1ST END
NOMINAL THICKNESS0.250 INCHES 1ST END
NOMINAL LENGTH1.750 INCHES 1ST END
NOMINAL WIDTH1.750 INCHES ALL ENDS
BOLT HOLE QUANTITY4 1ST END
BOLT HOLE NOMINAL DIAMETER0.159 INCHES 1ST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG LENGTH1.038 INCHES 1ST END
CENTER TO CENTER NOMINAL DISTANCE BETWEEN BOLT HOLES ALONG WIDTH1.038 INCHES 1ST END
FLANGE FACE DESIGNPLAIN 1ST END
MOUNTING POSITIONVERTICAL
DISK LOADING METHODSPRING
SPECIAL FEATURESFLANGED END HOLES THREADED 10-32 UNF


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