4820-01-148-9377 VALVE,CHECK Index 4820-01-148-9379 VALVE,SAFETY RELIEF

National Stock Number:
4820-01-148-9378

Federal Supply Class:
4820

National Item Identification Number:
011489378

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:
7388886184GRISWOLD INDUSTRIES
73888REVACDSH9786184GRISWOLD INDUSTRIES
81M-1IN 7388886184GRISWOLD INDUSTRIES
81M-1IN 73888 R86184GRISWOLD INDUSTRIES


Techincal Specification:
CONNECTION STYLESTREAMLINED WITH ONE BRAZING RING (TUBE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
FLOW CONTROL DEVICEDISK
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390, ALLOY D4/D FED SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
PROPRIETARY CHARACTERISTICSPACS
MOUNTING POSITIONHORIZONTAL OR VERTICAL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.000 INCHES ALL ENDS
VALVE OPERATION METHODAUTOMATIC
STYLE DESIGNATORSTRAIGHT THRU


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