|
|
|
National Stock Number:
4820-00-858-1653
Federal Supply Class:
4820
National Item Identification Number:
008581653
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.
|
Manufacturer Information:
| 2356975 | 18355 | THE BOEING COMPANY | | 2356975 | 88277 | THE BOEING COMPANY |
|
Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.625 INCHES NOMINAL | | HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL | STEEL COMP 52100 OVERALL | | NOMINAL THREAD SIZE | 0.875 INCHES SECOND THREADED PORTION | | NOMINAL THREAD SIZE | 0.875 INCHES FIRST THREADED PORTION | | OVERALL HEIGHT | 2.459 INCHES NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 15.000 NOMINAL | | THREAD CLASS | 3A FIRST THREADED PORTION | | THREAD CLASS | 3A SECOND THREADED PORTION | | THREAD LENGTH | 0.360 INCHES NOMINAL FIRST THREADED PORTION | | THREAD LENGTH | 0.421 INCHES NOMINAL SECOND THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF FIRST THREADED PORTION | | THREAD SERIES DESIGNATOR | UNF SECOND THREADED PORTION |
|
|