NSN 4820-00-550-6563

Part Details | VALVE STEM GUIDE

4820-00-550-6563 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: 5506563, 4820-00-550-6563, 00-550-6563, 4820005506563, 005506563

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196000-550-656332562 ( GUIDE, VALVE STEM )
REFERENCE DRAWINGS & PICTURES

SHOULDERED W/FLATS SHANK END

Cross Reference | NSN 4820-00-550-6563
Part Number Cage Code Manufacturer
550656319204ARMY, UNITED STATES DEPARTMENT OFTHE
Technical Data | NSN 4820-00-550-6563
Characteristic Specifications
METALLIC HARDNESS RATINGBRC16.0 MINIMUM AND CRC27.0 MAXIMUM
STYLE DESIGNATOR SHOULDERED W/FLATS SHANK END
OVERALL LENGTH3.468 INCHES NOMINAL
OUTSIDE DIAMETER1.030 INCHES NOMINAL
MAJOR DIAMETER LENGTH0.700 INCHES NOMINAL
FLATS LENGTH0.625 INCHES NOMINAL
WIDTH ACROSS FLATS0.750 INCHES NOMINAL
BB END SHANK DIAMETER0.875 INCHES NOMINAL
BORE DIAMETER0.5620 INCHES NOMINAL
MATERIAL STEEL COMP 1045
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 1045 ASSN STD 1ST MATERIAL RESPONSE
BORE COUNTERBORE INCLUDED
COUNTERBORE LOCATION AA END
COUNTERBORE DIAMETER1.275 INCHES NOMINAL
COUNTERBORE DEPTH0.437 INCHES NOMINAL
SPECIAL FEATURESINTERNAL KEYSLOT SECOND END 0.156W X 0.043 H X 0.400 LG TERMINATING IN 0.156 DIA HOLE THROUGH WALL 90 DEG RADIAL FROM FLATS; FIRST END THREADED 1.000-14NF-3A X 0.775 LG INCL 1/16 RELIEF; FIRST END ENLARGED TO 1.519 OD W/GROOVE 1.4359 DIA X 0.125 W AND 1.500-12NF-3A THD 0.468 LG; 63AA FINISH BORE