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National Stock Number:
4820-00-863-8219
Federal Supply Class:
4820
National Item Identification Number:
008638219
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:
| 1408268 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 4820PL0893812 | 9009H | INSPEKTORAT WSPARCIA SIL ZBROJNYCH | | BUWEPSDWG1408268 | 44114 | BAE SYSTEMS LAND & ARMAMENTS L.P. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.312 INCHES MINIMUM AND 0.322 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.502 INCHES MINIMUM AND 0.503 INCHES MAXIMUM | | OVERALL HEIGHT | 0.343 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,ALLOY 6061,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | ALUMINUM ALLOY OVERALL | | SEAT ANGLE IN DEG | 40.000 MINIMUM AND 50.000 MAXIMUM | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN | | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL | | SURFACE TREATMENT | ANODIZE OVERALL |
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