NSN 2990-00-040-0866

Part Details | VALVE STEM GUIDE

2990-00-040-0866 A replaceable cylindrical item designed to provide wear surface and maintain alignment of a reciprocating valve stem and the like, it may have a flange(s) and/or grooves.

Alternate Parts: 7708253, 7708253, 2990-00-040-0866, 00-040-0866, 2990000400866, 000400866

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
29JAN 01, 196300-040-086632562 ( GUIDE, VALVE STEM )
REFERENCE DRAWINGS & PICTURES

PLAIN FLANGED

GUIDE,VALVE STEM | 2990-00-040-0866, 000400866
Cross Reference | NSN 2990-00-040-0866
Part Number Cage Code Manufacturer
770825332783LASMER INDUSTRIES INC
770825319207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 2990-00-040-0866
Characteristic Specifications
STYLE DESIGNATOR PLAIN FLANGED
OVERALL LENGTH2.120 INCHES NOMINAL
OUTSIDE DIAMETER1.200 INCHES NOMINAL
MAJOR DIAMETER LENGTH0.140 INCHES NOMINAL
BB END SHANK DIAMETER0.300 INCHES NOMINAL
BB END CHAMFER LENGTH0.100 INCHES NOMINAL
BB END CHAMFER ANGLE IN DEG30.0
AA END CHAMFER LENGTH0.030 INCHES NOMINAL
AA END CHAMFER ANGLE IN DEG45.0
BORE COUNTERSINK NOT INCLUDED
BORE COUNTERBORE NOT INCLUDED