4710-01-268-9918 TUBE,FUEL FEED Index 4730-01-268-9920 ADAPTER,STRAIGHT,FLANGE TO TUBE

National Stock Number:
4820-01-268-9919

Federal Supply Class:
4820

National Item Identification Number:
012689919

Description:
GUIDE,VALVE STEM

Detail:
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.


Manufacturer Information:
590599805825O T S I
590599853711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
AA END CHAMFER LENGTH0.031 INCHES NOMINAL
AA END CHAMFER ANGLE IN DEG45.0
BB END CHAMFER ANGLE IN DEG45.0
BB END CHAMFER LENGTH0.060 INCHES NOMINAL
BB END SHANK DIAMETER0.688 INCHES NOMINAL
BORE COUNTERBORENOT INCLUDED
BORE COUNTERSINKINCLUDED
BORE DIAMETER0.2540 INCHES NOMINAL
COUNTERSINK ANGLE IN DEG45.0
COUNTERSINK LENGTH0.031 INCHES NOMINAL
COUNTERSINK LOCATIONAA END AND BB END
MAJOR DIAMETER LENGTH0.240 INCHES NOMINAL
OUTSIDE DIAMETER1.212 INCHES NOMINAL
OVERALL LENGTH0.750 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764, TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE
MATERIALSTEEL COMP 303
SHOULDER FIRST FILLET RADIUS0.015 INCHES NOMINAL
STYLE DESIGNATORPLAIN FLANGED


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