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National Stock Number:
4820-01-268-9919
Federal Supply Class:
4820
National Item Identification Number:
012689919
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:
| 5905998 | 05825 | O T S I | | 5905998 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| AA END CHAMFER LENGTH | 0.031 INCHES NOMINAL | | AA END CHAMFER ANGLE IN DEG | 45.0 | | BB END CHAMFER ANGLE IN DEG | 45.0 | | BB END CHAMFER LENGTH | 0.060 INCHES NOMINAL | | BB END SHANK DIAMETER | 0.688 INCHES NOMINAL | | BORE COUNTERBORE | NOT INCLUDED | | BORE COUNTERSINK | INCLUDED | | BORE DIAMETER | 0.2540 INCHES NOMINAL | | COUNTERSINK ANGLE IN DEG | 45.0 | | COUNTERSINK LENGTH | 0.031 INCHES NOMINAL | | COUNTERSINK LOCATION | AA END AND BB END | | MAJOR DIAMETER LENGTH | 0.240 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.212 INCHES NOMINAL | | OVERALL LENGTH | 0.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764, TYPE 303-CANCELED FED SPEC 1ST MATERIAL RESPONSE | | MATERIAL | STEEL COMP 303 | | SHOULDER FIRST FILLET RADIUS | 0.015 INCHES NOMINAL | | STYLE DESIGNATOR | PLAIN FLANGED |
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