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National Stock Number:
4820-01-497-6019
Federal Supply Class:
4820
National Item Identification Number:
014976019
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:
| 803-5348084-XXX-16 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| AA END DIAMETER | 0.812 INCHES NOMINAL | | AA END RADIUS | 0.030 INCHES NOMINAL | | BB END CHAMFER ANGLE IN DEG | 45.0 | | BB END RADIUS | 0.030 INCHES NOMINAL | | BB END SHANK DIAMETER | 0.750 INCHES NOMINAL | | BORE DIAMETER | 0.4210 INCHES NOMINAL | | BORE COUNTERBORE | NOT INCLUDED | | BORE COUNTERSINK | NOT INCLUDED | | LENGTH FROM AA END TO LARGEST DIAMETER FACE | 0.500 INCHES NOMINAL | | MAJOR DIAMETER LENGTH | 0.190 INCHES NOMINAL | | OUTSIDE DIAMETER | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 1.250 INCHES NOMINAL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | GUIDE,PLUNGER | | MATERIAL | COPPER ALLOY | | SHOULDER FIRST FILLET RADIUS | 0.060 INCHES NOMINAL | | SHOULDER SECOND FILLET RADIUS | 0.060 INCHES NOMINAL | | SPECIAL FEATURES | HEXAGON FLANGE; END (AA) 0.812-20 UNEF-2A THREADS | | STYLE DESIGNATOR | PLAIN-SHOULDERED |
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