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National Stock Number:
4820-01-023-2648
Federal Supply Class:
4820
National Item Identification Number:
010232648
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:
| 94379 | 11599 | TRIUMPH ENGINE CONTROL SYSTEMS LLC |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 0.620 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.281 INCHES MINIMUM AND | | 0.285 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.065 INCHES MINIMUM AND | | 0.075 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.490 INCHES MINIMUM AND | | 0.500 INCHES MAXIMUM | | MATERIAL | STEEL,AMS 5610 OVERALL | | SURFACE TREATMENT | IMMUNIZE IAW PSM 903 OVERALL | | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND | | 34.0 ROCKWELL C MAXIMUM BODY | | 26.0 ROCKWELL C MINIMUM AND | | 34.0 ROCKWELL C MAXIMUM FACE | | SEATING SURFACE SHAPE | FLAT | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 0.437 INCHES SINGLE THREADED PORTION | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.378 INCHES MINIMUM AND | | 0.468 INCHES MAXIMUM SINGLE THREADED PORTION | | SPECIAL FEATURES | HEX STOCK |
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