THIS IS FOR A PAIR OF PRATT & WHITNEY VALVE STEM GUIDES FOR  R-1830 RADIAL ENGINES

P/N 17166P3 

NSN 2810-00-348-8864

CONDITION: NEW SURPLUS 

MODEL : R-1830

SOLD AS-IS, NO RETURNS

WE COMBINE SHIPPING WHEN EVER POSSIBLE.

MORE DETAILS:
 
Counterbore Diameter0.906 inches nominal
AAWZCounterbore Depth0.654 inches nominal
ABHPOverall Length4.484 inches nominal
ABKVOutside Diameter1.132 inches nominal
ABXVBore Diameter0.8090 inches minimum and 0.8105 inches maximum
AGQKMajor Diameter Length0.781 inches nominal
ALADFlats Length0.859 inches nominal
ASDBWidth Across Flats0.199 inches nominal
BDYSCounterbore LocationBb end
BQDCBore CountersinkNot included
BQSFBore CounterboreIncluded
BQSJBB End Shank Diameter1.062 inches nominal
BQSLBB End Chamfer Angle in DEG45.0
FEATSpecial FeaturesIrregularly shaped threaded connection on aa END;0.3125 in. dia hole drill thru at end of straights on bb end
MATTMaterialAluminum
STYLStyle DesignatorShouldered W/flats shank end

WR540