NSN 5340-00-821-4665

Part Details | EXPANSION PLUG

5340-00-821-4665 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: R100P21, R100P21, 5340-00-821-4665, 00-821-4665, 5340008214665, 008214665

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196200-821-466503797 ( PLUG, EXPANSION )
REFERENCE DRAWINGS & PICTURES

TRAPPED CUP

Cross Reference | NSN 5340-00-821-4665
Part Number Cage Code Manufacturer
R100P2124446GENERAL ELECTRIC COMPANY
R100P2107482GENERAL ELECTRIC COMPANYDBA GE
Technical Data | NSN 5340-00-821-4665
Characteristic Specifications
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENT OXIDE
STYLE DESIGNATOR TRAPPED CUP
RADIUS0.090 INCHES MINIMUM AND 0.120 INCHES MAXIMUM
OUTSIDE DIAMETER1.163 INCHES MINIMUM AND 1.166 INCHES MAXIMUM
MATERIAL THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM
SMALLEST DIAMETER1.147 INCHES MINIMUM AND 1.157 INCHES MAXIMUM
HEIGHT0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM