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National Stock Number:
4810-01-049-2384
Federal Supply Class:
4810
National Item Identification Number:
010492384
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:
| 21900 | 16780 | EATON AEROSPACE LLC |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 0.373 INCHES MINIMUM AND | | 0.374 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.260 INCHES MINIMUM AND | | 0.262 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.156 INCHES MINIMUM AND | | 0.157 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.069 INCHES MINIMUM AND | | 0.070 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.085 INCHES NOMINAL | | MATERIAL | STEEL COMP 410 OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | SURFACE TREATMENT | PASSIVATE OVERALL | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL | | HARDNESS RATING | 31.0 ROCKWELL C MINIMUM AND | | 38.0 ROCKWELL C MAXIMUM OVERALL | | SEATING SURFACE SHAPE | FLAT | | FSC APPLICATION DATA | VALVE,RESET,POWERED | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 16780 | | DESIGN CONTROL REFERENCE | 21900 |
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