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National Stock Number:
4820-00-399-4460
Federal Supply Class:
4820
National Item Identification Number:
003994460
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:
| 1505659 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT | | 1505659 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 911C931PC6 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 911C931PC6 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 1505659 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN | | OVERALL HEIGHT | 1.057 INCHES MINIMUM AND | | 1.067 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.625 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.531 INCHES NOMINAL | | MATERIAL | STEEL COMP 410 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-00763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.120 INCHES MINIMUM AND | | 0.130 INCHES MAXIMUM | | TAPER MINOR DIAMETER | 0.375 INCHES NOMINAL | | TAPER MAJOR DIAMETER | 0.531 INCHES NOMINAL | | SPECIAL FEATURES | THIS IS A REPAIR PART AND 0.125 IN.EXCESS IS LEFT ON OUTSIDE DIAMETER AND 0.063 IN. ON ALL OTHER SURFACES IN ORDER THAT THEY MIGHT BE MACHINED TO PROPER DIMENSIONS WHEN REPLACING WORN PART. GRIND AFTER STELLITING. FINISHED OUTSIDE DIAMETER IS 1.438 PORM 0.002 |
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