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National Stock Number:
4820-00-354-1667
Federal Supply Class:
4820
National Item Identification Number:
003541667
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:
| 155021A | 1ML14 | BRINKLEY TECHNOLOGY GROUP LLC | | 155021A | 28265 | HERCULES ENGINE CO INC | | 155021B | 1ML14 | BRINKLEY TECHNOLOGY GROUP LLC | | 155021B | 28265 | HERCULES ENGINE CO INC | | 155021B | 52984 | CYCLONE DRILL CO | | 155021B | 93742 | DRS NAVAL POWER SYSTEMS INC | | 156052B | 1ML14 | BRINKLEY TECHNOLOGY GROUP LLC | | 156052B | 28265 | HERCULES ENGINE CO INC |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.533 INCHES MINIMUM AND 1.534 INCHES MAXIMUM | | FLANGE DIAMETER | 1.680 INCHES MINIMUM AND 1.681 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | 66 AISI/SAE 4140 FED STD 1ST MATERIAL RESPONSE BODY | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL BODY | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | PLAIN FLANGED | | UNDER FLANGE HEIGHT | 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
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