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National Stock Number:
4820-01-502-0533
Federal Supply Class:
4820
National Item Identification Number:
015020533
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:
| NAP 958 | 70667 | ATLAS VALVE CO | | NAP 958 CDS-1 | 70667 | ATLAS VALVE CO | | P10855A | 55378 | TRAC REGULATOR CO., INC. | | P10855A | 70667 | ATLAS VALVE CO | | NAP-958 FIND NO. 13 | 70667 | ATLAS VALVE CO |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-A494 COMP. -25S ASSN STD SINGLE MATERIAL RESPONSE SEAT | | MATERIAL | NICKEL ALLOY SEAT | | PROPRIETARY CHARACTERISTICS | PACS | | NOMINAL THREAD SIZE | 0.875 INCHES SINGLE THREADED PORTION | | SEAL ACCOMMODATION TYPE | GROOVED | | SEATING SURFACE SHAPE | ANGULAR | | SPECIAL FEATURES | THE OVERALL MATERIAL OF THE SEAT RING IS REFERRED TO AS CST. MONEL.CONCERNING SEAT ANGLE IN DEGREE, THE DRAWING INDICATES 135 DEGREES. | | THREAD LENGTH | 0.182 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 18 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNS SINGLE THREADED PORTION |
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