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National Stock Number:
4820-01-203-1293
Federal Supply Class:
4820
National Item Identification Number:
012031293
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:
| 694002611 | 93366 | GE AVIATION SYSTEMS LLC |
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Techincal Specification:
| BORE COUNTERBORE | NOT INCLUDED | | BORE COUNTERSINK | INCLUDED | | BORE DIAMETER | 0.3125 INCHES MINIMUM AND 0.3234 INCHES MAXIMUM | | COUNTERSINK LENGTH | 0.050 INCHES NOMINAL | | COUNTERSINK LOCATION | BB END | | COUNTERSINK ANGLE IN DEG | 30.0 | | MATERIAL | STEEL | | PROPRIETARY CHARACTERISTICS | PACS | | OUTSIDE DIAMETER | 3.800 INCHES NOMINAL | | OVERALL LENGTH | 1.800 INCHES NOMINAL | | SPECIAL FEATURES | FOUR HOLES 0.406 IN. EQUISPACED;FOUR SLOTS ON A 52 DEG RADIUS,0.3125 IN. EQUIPACED ON A 3.750 IN. PITCH CIRLE;EIGHT HOLES 0.218 IN. DIA ON A 3.250 IN. PITCH CIRCLE |
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