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National Stock Number:
4820-01-197-2882
Federal Supply Class:
4820
National Item Identification Number:
011972882
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:
| 12428 | 33654 | HOWDEN FLUID SYSTEMS | | 12428 | 58163 | MEGGITT (NORTH HOLLYWOOD), INC. | | 12428 | 62228 | MEGGITT DEFENSE SYSTEMS, INC. | | 12428 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.337 INCHES MINIMUM AND 0.347 INCHES MAXIMUM | | FLANGE DIAMETER | 0.332 INCHES MINIMUM AND 0.336 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.235 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD ALL MATERIAL RESPONSES OVERALL | | MATERIAL | STEEL COMP 17-4PH OVERALL | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | RUBBER OVERALL | | UNDER FLANGE HEIGHT | 0.265 INCHES NOMINAL |
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