4920-00-118-9305 FIXTURE,AIRCRAFT MAINTENANCE Index 4920-00-118-9308 FIXTURE,AIRCRAFT MAINTENANCE

National Stock Number:
2810-00-118-9306

Federal Supply Class:
2810

National Item Identification Number:
001189306

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:
23402P00300198PRATT & WHITNEY CANADA CORP
23402P300198PRATT & WHITNEY CANADA CORP
AS23402P312776AIRCRAFT SUPPLIES
SP23402P00351660SUPERIOR AIR PARTS INC


Techincal Specification:
AA END DIAMETER0.796 INCHES MINIMUM AND 0.802 INCHES MAXIMUM
BB END SHANK DIAMETER0.817 INCHES MINIMUM AND 0.818 INCHES MAXIMUM
BORE COUNTERBOREINCLUDED
BORE COUNTERSINKNOT INCLUDED
BORE DIAMETER0.6130 INCHES MINIMUM AND 0.6160 INCHES MAXIMUM
COUNTERBORE DIAMETER0.648 INCHES MINIMUM AND 0.658 INCHES MAXIMUM
COUNTERBORE DEPTH0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG43.0 AND 47.0
COUNTERSINK LENGTH0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM
COUNTERSINK LOCATIONAA END
COUNTERBORE LOCATIONBB END
LENGTH FROM AA END TO LARGEST DIAMETER FACE0.759 INCHES MINIMUM AND 0.803 INCHES MAXIMUM
MAJOR DIAMETER LENGTH0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM
OUTSIDE DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
OVERALL LENGTH3.146 INCHES MINIMUM AND 3.166 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4845 ASSN STD 1ST MATERIAL RESPONSE OR AMS4846 ASSN STD 2ND MATERIAL RESPONSE
MATERIALCOPPER ALLOY 905
METALLIC HARDNESS RATING85.0 MINIMUM ROCKWELL F
SPECIAL FEATURES1 EXTERNAL GROOVE,BB END,UNDER FLANGE,0.037 IN. MIN,0.057 IN. MAXW,0.793 IN. MIN,0.803 IN. MAX DIA
STYLE DESIGNATORPLAIN-SHOULDERED


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