1680-00-894-1412 CONTROL ASSEMBLY,PUSH-PULL Index 3020-00-894-1426 PULLEY,CARGO HANDLING

National Stock Number:
4820-00-894-1420

Federal Supply Class:
4820

National Item Identification Number:
008941420

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:
7825198-173760ITT AEROSPACE CONTROLS LLC
7825198-188277THE BOEING COMPANY
AV18A103673760ITT AEROSPACE CONTROLS LLC


Techincal Specification:
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
CONNECTION STYLEGROOVED (TUBE) FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-596, ALLOY 356 FED SPEC 1ST MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-596, ALLOY 356 FED SPEC 2ND MATERIAL RESPONSE SEAT
MATERIALALUMINUM ALLOY A356.0 BODY
MATERIALALUMINUM ALLOY A356.0 FLOW CONTROL DEVICE
MATERIALRUBBER SEAT
MAXIMUM OPERATING TEMP130.0 FAHRENHEIT SINGLE RESPONSE
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MOUNTING FACILITYBULKHEAD
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED3.250 INCHES FIRST END
NOMINAL THREAD SIZE3.500 INCHES SECOND END
OPERATING PRESSURE75.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU
SURFACE TREATMENTANODIZE
THREAD CLASS2B SECOND END
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD QUANTITY PER INCH16 SECOND END
THREAD SERIES DESIGNATORUN SECOND END


Click here to Register for Free 30-day Trial