4820-00-118-8267 VALVE,DISC Index 4820-00-118-8269 SHAFT,VALVE

National Stock Number:
2810-00-118-8268

Federal Supply Class:
2810

National Item Identification Number:
001188268

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:
87208P00500198PRATT & WHITNEY CANADA CORP
87208P00577445RTX CORPORATION
87208P500198PRATT & WHITNEY CANADA CORP
87208P577445RTX CORPORATION
AS87208P512776AIRCRAFT SUPPLIES


Techincal Specification:
AA END CHAMFER ANGLE IN DEG45.0
AA END CHAMFER LENGTH0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM
BB END SHANK DIAMETER0.8185 INCHES MINIMUM AND 0.8195 INCHES MAXIMUM
BORE COUNTERBORENOT INCLUDED
BORE COUNTERSINKNOT INCLUDED
BORE DIAMETER0.6150 INCHES MINIMUM AND 0.6180 INCHES MAXIMUM
FSC APPLICATION DATAACFT ENG R1830
MAJOR DIAMETER LENGTH0.066 INCHES MINIMUM AND 0.082 INCHES MAXIMUM
OUTSIDE DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
OVERALL LENGTH3.064 INCHES MINIMUM AND 3.084 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4846 ASSN STD 1ST MATERIAL RESPONSE
MATERIALCOPPER ALLOY 905
METALLIC HARDNESS RATING85.0 NOMINAL ROCKWELL F
SHOULDER FIRST FILLET RADIUS0.010 INCHES NOMINAL
STYLE DESIGNATORPLAIN FLANGED


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