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National Stock Number: 4820-01-184-7790
Federal Supply Class: 4820
National Item Identification Number: 011847790
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:
| 71201-90X1 PIECE 4 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ZZZY | | MATERIAL | PLASTIC POLYAMIDE OVERALL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS | | SEATING SURFACE SHAPE | FLAT | | STYLE DESIGNATOR | PLAIN |
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