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National Stock Number:
4820-01-231-4126
Federal Supply Class:
4820
National Item Identification Number:
012314126
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:
| 32813 | 14959 | CRANE CO DIV VALVE DIV | | 32813-143 1/2U PIECE 8A-3IN | 14959 | CRANE CO DIV VALVE DIV | | B-104912 | 14959 | CRANE CO DIV VALVE DIV |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 3.875 INCHES NOMINAL | | BODY INSIDE DIAMETER | 2.625 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.630 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.810 INCHES NOMINAL | | MATERIAL | COBALT ALLOY BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A567 GR.12 ASSN STD SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 15.000 NOMINAL | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 3.515 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 11-1/2 SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.650 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | STANDARD TYPE SEAT |
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