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National Stock Number:
4820-00-005-7407
Federal Supply Class:
4820
National Item Identification Number:
000057407
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:
| 383V318 | 00672 | GRIMES AEROSPACE CO | | 383V318 | 72914 | GRIMES AEROSPACE COMPANY |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.556 INCHES MINIMUM AND 0.560 INCHES MAXIMUM | | FLANGE DIAMETER | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM | | MATERIAL | STEEL OVERALL | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | FLANGED END COUNTER BORED 0.377 TO 0.383 IN. ID 0.076 IN. DEEP,BOTH ENDS CHAMFERED 45 DEG | | STYLE DESIGNATOR | PLAIN FLANGED | | SURFACE TREATMENT | PASSIVATE OVERALL | | UNDER FLANGE HEIGHT | 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
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