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National Stock Number:
2805-00-386-3439
Federal Supply Class:
2805
National Item Identification Number:
003863439
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:
| 3632805-570380 | 81336 | CHIEF OF ENGINEERS DEPT OF ARMY |
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Techincal Specification:
| AA END CHAMFER ANGLE IN DEG | 15.0 | | AA END CHAMFER LENGTH | 0.031 INCHES NOMINAL | | AA END DIAMETER | 0.752 INCHES MINIMUM AND 0.753 INCHES MAXIMUM | | BB END RADIUS | 0.062 INCHES NOMINAL | | BB END SHANK DIAMETER | 0.750 INCHES NOMINAL | | BORE COUNTERBORE | NOT INCLUDED | | BORE COUNTERSINK | INCLUDED | | COUNTERSINK ANGLE IN DEG | 30.0 | | COUNTERSINK LENGTH | 0.016 INCHES NOMINAL | | COUNTERSINK LOCATION | AA END | | FLATS LENGTH | 0.375 INCHES NOMINAL | | GROOVE QUANTITY | 1 | | LENGTH FROM AA END TO LARGEST DIAMETER FACE | 2.250 INCHES NOMINAL | | MAJOR DIAMETER LENGTH | 0.094 INCHES NOMINAL | | OUTSIDE DIAMETER | 0.375 INCHES MINIMUM AND 0.376 INCHES MAXIMUM | | OVERALL LENGTH | 3.875 INCHES NOMINAL | | MATERIAL | IRON CAST | | METALLIC HARDNESS RATING | 18.8 MINIMUM ROCKWELL C | | SHOULDER FIRST FILLET RADIUS | 0.375 INCHES NOMINAL | | WIDTH ACROSS FLATS | 0.562 INCHES NOMINAL | | TAPER LENGTH | 0.375 INCHES NOMINAL | | TAPER MINOR DIAMETER | 0.625 INCHES NOMINAL |
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