|
|
|
National Stock Number:
2815-00-798-3532
Federal Supply Class:
2815
National Item Identification Number:
007983532
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:
| 28278 | 95201 | NAPCO INTERNATIONAL LLC | | P28278 | 95201 | NAPCO INTERNATIONAL LLC | | P28278B | 95201 | NAPCO INTERNATIONAL LLC |
|
Techincal Specification:
| AA END CHAMFER LENGTH | 0.031 INCHES NOMINAL | | AA END CHAMFER ANGLE IN DEG | 45.0 | | AA END DIAMETER | 0.870 INCHES MINIMUM AND 0.873 INCHES MAXIMUM | | BB END CHAMFER ANGLE IN DEG | 45.0 | | BB END CHAMFER LENGTH | 0.125 INCHES NOMINAL | | BB END SHANK DIAMETER | 0.808 INCHES MINIMUM AND 0.814 INCHES MAXIMUM | | BORE COUNTERBORE | INCLUDED | | BORE COUNTERSINK | NOT INCLUDED | | BORE DIAMETER | 0.5000 INCHES NOMINAL | | COUNTERBORE DEPTH | 0.469 INCHES NOMINAL | | COUNTERBORE DIAMETER | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM | | COUNTERBORE LOCATION | AA END | | OUTSIDE DIAMETER | 1.225 INCHES MINIMUM AND 1.230 INCHES MAXIMUM | | OVERALL LENGTH | 4.250 INCHES NOMINAL | | MATERIAL | IRON CAST | | METALLIC HARDNESS RATING | 27.0 MINIMUM ROCKWELL C AND 37.0 MAXIMUM ROCKWELL C |
|