NSN 5340-00-839-5531

Part Details | EXPANSION PLUG

5340-00-839-5531 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: 696627A, 69662-7A, 531101, 5340-00-839-5531, 00-839-5531, 5340008395531, 008395531

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53SEP 15, 196700-839-553103797 ( PLUG, EXPANSION )
REFERENCE DRAWINGS & PICTURES

TRAPPED CUP

Cross Reference | NSN 5340-00-839-5531
Part Number Cage Code Manufacturer
69662-7A73030HAMILTON SUNDSTRAND CORPORATION
53110192555THE LEE COMPANY
Technical Data | NSN 5340-00-839-5531
Characteristic Specifications
MATERIAL ALUMINUM ALLOY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TO 6 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ANODIZE
STYLE DESIGNATOR TRAPPED CUP
OUTSIDE DIAMETER0.530 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
MATERIAL THICKNESS0.044 INCHES MINIMUM AND 0.054 INCHES MAXIMUM
SMALLEST DIAMETER0.530 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
HEIGHT0.673 INCHES MINIMUM AND 0.687 INCHES MAXIMUM