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National Stock Number:
4820-00-627-7486
Federal Supply Class:
4820
National Item Identification Number:
006277486
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:
| 214424 | 81982 | HYDRO-AIRE AEROSPACE CORP |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 0.555 INCHES MINIMUM AND | | 0.558 INCHES MAXIMUM | | OVERALL HEIGHT | 0.620 INCHES MINIMUM AND | | 0.630 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.340 INCHES MINIMUM AND | | 0.350 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.085 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.535 INCHES MINIMUM AND | | 0.545 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 0.500 INCHES SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 20 SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81982 | | DESIGN CONTROL REFERENCE | 214424 |
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