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National Stock Number:
4820-00-903-4337
Federal Supply Class:
4820
National Item Identification Number:
009034337
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:
| 638212-2 | 72957 | ELLIOTT COMPANY | | 638212PC2 | 72957 | ELLIOTT COMPANY | | 8R0003ITEM3-9 | 72957 | ELLIOTT COMPANY | | BWW-0067ITEM3-9 | 72957 | ELLIOTT COMPANY | | Z638212PC2 | 72957 | ELLIOTT COMPANY |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD 1ST MATERIAL RESPONSE OR AISI 416/SAE 51416 ASSN STD 2ND MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 1.375 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | SURFACE TREATMENT | PASSIVATE OVERALL | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION |
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