4730-01-317-7590 RESTRICTOR,FLUID FLOW Index 4820-01-317-7592 DISK,VALVE

National Stock Number:
5340-01-317-7591

Federal Supply Class:
5340

National Item Identification Number:
013177591

Description:
PLUG,EXPANSION

Detail:
A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.


Manufacturer Information:
MS9176-3196906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
HEIGHT0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE
MATERIAL THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM
MATERIALSTEEL
RADIUS0.094 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
OUTSIDE DIAMETER1.883 INCHES MINIMUM AND 1.887 INCHES MAXIMUM
SMALLEST DIAMETER1.865 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
STYLE DESIGNATORTRAPPED CUP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2485 ASSN STD SINGLE TREATMENT RESPONSE
SURFACE TREATMENTOXIDE


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