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National Stock Number:
4820-01-244-8439
Federal Supply Class:
4820
National Item Identification Number:
012448439
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:
| 21267 | 14959 | CRANE CO DIV VALVE DIV | | 21267 PIECE 4 | 14959 | CRANE CO DIV VALVE DIV | | BB61-S48-0309 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | BB61-S48-0309 ALT PIECE 4 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 9.653 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 9.777 INCHES NOMINAL | | FLANGE DIAMETER | 10.313 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.469 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A216,GR.WCB ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 1.318 INCHES NOMINAL |
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