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National Stock Number:
4820-01-137-8227
Federal Supply Class:
4820
National Item Identification Number:
011378227
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:
| 2350-823 | 43689 | HUNTINGTON INGALLS INC | | 2350-823 PC 10 | 09032 | TATE ANDALE, LLC | | 2350-823 PC 10 | 43689 | HUNTINGTON INGALLS INC | | 4325672 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 4325672 PC 10 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 509-4325672 PC | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 509-4325672 PC 10 | 43689 | HUNTINGTON INGALLS INC |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 6.625 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 5.125 INCHES MINIMUM AND 6.000 INCHES MAXIMUM FIRST STEP | | OVERALL HEIGHT | 0.625 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | NICKEL ALLOY OVERALL | | NOMINAL THREAD SIZE | 6.625 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SPECIAL FEATURES | TWO SLOTS FOR SCREWING SEAT INTO PLACE | | STYLE DESIGNATOR | PLAIN | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.500 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 12 SINGLE THREADED PORTION |
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