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National Stock Number:
4820-01-560-6043
Federal Supply Class:
4820
National Item Identification Number:
015606043
Description:
SEAT,VALVE
Detail:
A replaceable item designed to provide a circular stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see INSERT, ENGINE VALVE SEAT.
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Manufacturer Information:
| ENDM125289 ITEM 12M | 96169 | ELECTRIC BOAT CORPORATION | | ENDM125289-12M | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.625 INCHES NOMINAL | | MATERIAL | PLASTIC POLYURETHANE OVERALL | | PROPRIETARY CHARACTERISTICS | PACS | | SEAL ACCOMMODATION TYPE | GROOVED | | SEAT RADIUS | 0.031 INCHES MAXIMUM | | SPECIAL FEATURES | PIECE 12M IS IDENTICAL TO PC 12 EXCEPT BEING 0.250 IN THICKER WITH AN UNFINISHED BACKSIDE; IT IS INTENDED FOR OVERHAUL MAINTENANCE USE; PRIOR TO INSTALLATION, VALVE SEAT BACKSIDE SHALL BE MACHINED TO SPECIFIED PROFILE/STACK HT | | STYLE DESIGNATOR | PLAIN |
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