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National Stock Number:
4820-01-160-7162
Federal Supply Class:
4820
National Item Identification Number:
011607162
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:
| 534737 | 52661 | RTX CORPORATION | | 534737 | 77445 | RTX CORPORATION |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.8793 INCHES MINIMUM AND 1.8798 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.046 INCHES NOMINAL | | FLANGE DIAMETER | 2.209 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 3.148 INCHES NOMINAL | | HARDNESS RATING | 55.5 ROCKWELL C NOMINAL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5630 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | SEAL ACCOMMODATION TYPE | GROOVED | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | BOSS AT BODY END 1.733 IN. NOM DIA,BORE 1.570 IN. NOM TAPERED TO 0.109 - 0.141 IN. DIA; 4 SLOTS EQ SPACED AROUND BASE OF BODY 0.325 - 0.328 IN. L,0.123 - 0.128 IN. W | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 2.790 INCHES NOMINAL |
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