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National Stock Number:
4820-01-433-4438
Federal Supply Class:
4820
National Item Identification Number:
014334438
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:
| 1305-016-4IN ITEM 13 | 76374 | SAFRAN ELECTRICAL & POWER USA, LLC | | 1305-016-4IN ITEM 13 | 81640 | SAFRAN POWER USA, LLC | | 1305-034 4IN IT 13 | 76364 | MILWAUKEE VALVE CO, INC | | 2177917 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 803-2177917-04-30 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 0.688 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.801 INCHES MINIMUM AND | | 4.813 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 3.938 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B164 ASSN STD SINGLE MATERIAL RESPONSE OR | | ASTM A494, GRADE M30H ASSN STD SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 4.813 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION |
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