NSN 5340-00-621-5443

Part Details | EXPANSION PLUG

5340-00-621-5443 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.

Alternate Parts: 51595B, 117491E PIECE 42, 7800198, 5340-00-621-5443, 00-621-5443, 5340006215443, 006215443

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53FEB 27, 197500-621-544303797 ( PLUG, EXPANSION )
REFERENCE DRAWINGS & PICTURES

CUP

Cross Reference | NSN 5340-00-621-5443
Part Number Cage Code Manufacturer
51595B05073BABCOCK & WILCOX COMPANY, THE
117491E PIECE 4205073BABCOCK & WILCOX COMPANY, THE
78001985D346MCDERMOTT INC
Technical Data | NSN 5340-00-621-5443
Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING
STYLE DESIGNATOR CUP
OUTSIDE DIAMETER0.993 INCHES MINIMUM AND 0.997 INCHES MAXIMUM
MATERIAL THICKNESS0.123 INCHES NOMINAL
HEIGHT0.188 INCHES NOMINAL