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National Stock Number:
4820-01-456-2307
Federal Supply Class:
4820
National Item Identification Number:
014562307
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:
| 1661-D PART 1661-D-17 | 75545 | LAWLER MANUFACTURING COMPANY, INC. | | 1661-D PC17 | 75545 | LAWLER MANUFACTURING COMPANY, INC. | | 3374 | 75545 | LAWLER MANUFACTURING COMPANY, INC. |
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Techincal Specification:
| BODY INSIDE DIAMETER | 1.125 INCHES NOMINAL | | FLANGE DIAMETER | 1.625 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.188 INCHES NOMINAL | | MATERIAL | COPPER ALLOY SEAT | | NOMINAL THREAD SIZE | 1.500 INCHES SINGLE THREADED PORTION | | SPECIAL FEATURES | 4 LUGS; TEMPERATURE REGULATING VALVE TYPE S, SZ 1.250 IN.; UPPER SEAT | | SEAT ANGLE IN DEG | 30.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | STYLE DESIGNATOR | THREADED FLANGED | | THREAD CLASS | 2A SINGLE THREADED PORTION | | THREAD LENGTH | 0.250 INCHES NOMINAL SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION | | UNDER FLANGE HEIGHT | 0.250 INCHES NOMINAL |
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