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National Stock Number:
4820-00-216-9014
Federal Supply Class:
4820
National Item Identification Number:
002169014
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:
| 61024 | 86184 | GRISWOLD INDUSTRIES | | 61024ITEM15 | 86184 | GRISWOLD INDUSTRIES | | C1520 | 86184 | GRISWOLD INDUSTRIES | | C1520A | 86184 | GRISWOLD INDUSTRIES |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.000 INCHES MINIMUM AND 3.004 INCHES MAXIMUM | | FLANGE DIAMETER | 3.880 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.312 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI 303/SAE 30303 FED STD SINGLE MATERIAL RESPONSE OVERALL | | MATERIAL | STEEL OVERALL | | NOMINAL THREAD SIZE | 3.500 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 5.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.340 INCHES MINIMUM AND 0.370 INCHES MAXIMUM SINGLE THREADED PORTION | | THREAD QUANTITY PER INCH | 16 SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UN SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.500 INCHES NOMINAL |
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