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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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