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National Stock Number:
4820-00-340-7122
Federal Supply Class:
4820
National Item Identification Number:
003407122
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:
| 20A12225 | 11599 | TRIUMPH ENGINE CONTROL SYSTEMS LLC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.400 INCHES NOMINAL | | FLANGE DIAMETER | 0.922 INCHES MINIMUM AND 0.940 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.230 INCHES MINIMUM AND 0.290 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 0.562 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 15.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SPECIAL FEATURES | 0.922 IN. MIN,0.940 IN. MAX W ACROSS HEXAGONAL FLATS | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD LENGTH | 0.166 INCHES MINIMUM AND 0.174 INCHES MAXIMUM SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.390 INCHES NOMINAL |
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