NSN 5340-00-890-3743

Part Details | EXPANSION PLUG

5340-00-890-3743 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: MS917626, MS9176-26, 5340-00-890-3743, 00-890-3743, 5340008903743, 008903743

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 05, 197200-890-374303797 ( PLUG, EXPANSION )
REFERENCE DRAWINGS & PICTURES

CUP

Cross Reference | NSN 5340-00-890-3743
Part Number Cage Code Manufacturer
MS9176-2696906MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS
Technical Data | NSN 5340-00-890-3743
Characteristic Specifications
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5040 ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENT OXIDE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2485 ASSN STD SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR CUP
OUTSIDE DIAMETER1.382 INCHES MINIMUM AND 1.386 INCHES MAXIMUM
MATERIAL THICKNESS0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM
HEIGHT0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM