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National Stock Number:
4820-00-533-3969
Federal Supply Class:
4820
National Item Identification Number:
005333969
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:
| 252-5A | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC | | 252-5A | 56705 | DONALLCO INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.314 INCHES MINIMUM AND 0.315 INCHES MAXIMUM | | FSC APPLICATION DATA | PUMP,ROTART,HYDRAULIC SYSTEM,AIRCRAFT | | HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM BODY | | OVERALL HEIGHT | 0.187 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | AISI 8720 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN | | SURFACE TREATMENT | OXIDE OVERALL |
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