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National Stock Number:
4820-01-128-2295
Federal Supply Class:
4820
National Item Identification Number:
011282295
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:
| 10124577 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | | 45245 | 06177 | PNEUDRAULICS, INC. |
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Techincal Specification:
| BODY OUTSIDE DIAMETER | 0.747 INCHES NOMINAL | | BODY STEPPED INSIDE DIAMETER | 0.790 INCHES NOMINAL SECOND STEP | | BODY STEPPED INSIDE DIAMETER | 0.860 INCHES NOMINAL THIRD STEP | | FLANGE DIAMETER | 0.923 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.295 INCHES NOMINAL | | HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL COMP 440C OVERALL | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MCAIR PS 13001 MFR REF SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.315 INCHES NOMINAL |
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