2815-00-678-3202 GUIDE,VALVE STEM Index 5360-00-678-3207 SPRING,HELICAL,COMPRESSION

National Stock Number:
2815-00-678-3203

Federal Supply Class:
2815

National Item Identification Number:
006783203

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:
2815006783203SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
28156783203SCY13E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
872500302978RENK AMERICA LLC
872500319207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM
87250033NNX8BRIGHTON CROMWELL LLC
8725003R1120SATAIR A/S


Techincal Specification:
AA END CHAMFER LENGTH0.031 INCHES NOMINAL
AA END CHAMFER ANGLE IN DEG45.0
AA END DIAMETER0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
BB END CHAMFER ANGLE IN DEG45.0
BB END CHAMFER LENGTH0.031 INCHES NOMINAL
BB END SHANK DIAMETER0.689 INCHES NOMINAL
BORE COUNTERBORENOT INCLUDED
BORE COUNTERSINKINCLUDED
BORE DIAMETER0.4830 INCHES MINIMUM AND 0.4850 INCHES MAXIMUM
COUNTERSINK ANGLE IN DEG90.0
COUNTERSINK DIAMETER0.562 INCHES NOMINAL
COUNTERSINK LOCATIONAA END AND BB END
FILLET STEP RADIUS0.031 INCHES NOMINAL
LENGTH FROM AA END TO LARGEST DIAMETER FACE1.302 INCHES MINIMUM AND 1.308 INCHES MAXIMUM
MAJOR DIAMETER LENGTH0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM
OUTSIDE DIAMETER1.125 INCHES NOMINAL
OVERALL LENGTH3.440 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-679, COMP 2 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALCOPPER ALLOY
METALLIC HARDNESS RATING85.0 MINIMUM ROCKWELL B
SPECIAL FEATURESAA END SPIRAL GROOVE PITCH-30 PER IN.,DEPTH 3.190 IN.DEPTH,BB END 5 DEG TAPER 0.120 TO 0.190 IN.LG
SHOULDER DIAMETER0.778 INCHES MINIMUM AND 0.784 INCHES MAXIMUM
SHOULDER FIRST FILLET RADIUS0.031 INCHES NOMINAL
SHOULDER LENGTH0.160 INCHES NOMINAL
SHOULDER SECOND FILLET RADIUS0.062 INCHES NOMINAL
STYLE DESIGNATORPLAIN-STEPPED SHOULDER


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