NSN 5340-00-311-8741

Part Details | EXPANSION PLUG

5340-00-311-8741 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: 1770222, 1770-222, 017700222, 01770-0222, 5340-00-311-8741, 00-311-8741, 5340003118741, 003118741

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196300-311-874103797 ( PLUG, EXPANSION )
REFERENCE DRAWINGS & PICTURES

CONCAVE

Cross Reference | NSN 5340-00-311-8741
Part Number Cage Code Manufacturer
1770-22293568HARSCO CORPBMY-COMBAT SYSTEMS DIV
01770-022293568HARSCO CORPBMY-COMBAT SYSTEMS DIV
Technical Data | NSN 5340-00-311-8741
Characteristic Specifications
MATERIAL STEEL COMP 1010
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE
STYLE DESIGNATOR CONCAVE
OUTSIDE DIAMETER2.440 INCHES MINIMUM AND 2.441 INCHES MAXIMUM
MATERIAL THICKNESS0.078 INCHES MINIMUM AND 0.083 INCHES MAXIMUM