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National Stock Number:
4820-00-550-6563
Federal Supply Class:
4820
National Item Identification Number:
005506563
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.
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Manufacturer Information:
| 5506563 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE |
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Techincal Specification:
| BB END SHANK DIAMETER | 0.875 INCHES NOMINAL | | BORE COUNTERBORE | INCLUDED | | BORE DIAMETER | 0.5620 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.437 INCHES NOMINAL | | COUNTERBORE DIAMETER | 1.275 INCHES NOMINAL | | COUNTERBORE LOCATION | AA END | | FLATS LENGTH | 0.625 INCHES NOMINAL | | MAJOR DIAMETER LENGTH | 0.700 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.030 INCHES NOMINAL | | OVERALL LENGTH | 3.468 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 1045 ASSN STD 1ST MATERIAL RESPONSE | | MATERIAL | STEEL COMP 1045 | | METALLIC HARDNESS RATING | 16.0 MINIMUM ROCKWELL C AND 27.0 MAXIMUM ROCKWELL C | | SPECIAL FEATURES | INTERNAL 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 | | WIDTH ACROSS FLATS | 0.750 INCHES NOMINAL | | STYLE DESIGNATOR | SHOULDERED W/FLATS SHANK END |
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