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National Stock Number:
4820-00-723-8772
Federal Supply Class:
4820
National Item Identification Number:
007238772
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:
| 12769 | 99643 | EATON AEROSPACE LLC |
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Techincal Specification:
| MATERIAL | STEEL OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | HARDNESS RATING | 56.0 ROCKWELL C MINIMUM AND | | 59.0 ROCKWELL C MAXIMUM BODY | | SEATING SURFACE SHAPE | FLAT | | FSC APPLICATION DATA | MANIFOLD,HYDRAULIC SYSTEM,AIRCRAFT | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 99643 | | DESIGN CONTROL REFERENCE | 12769 |
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