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National Stock Number:
4820-01-469-7578
Federal Supply Class:
4820
National Item Identification Number:
014697578
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:
| 1767-D | 75545 | LAWLER MANUFACTURING COMPANY, INC. | | 1767-D PC 19 | 75545 | LAWLER MANUFACTURING COMPANY, INC. | | 1767-D-19 | 75545 | LAWLER MANUFACTURING COMPANY, INC. | | 3964 | 75545 | LAWLER MANUFACTURING COMPANY, INC. |
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Techincal Specification:
| STYLE DESIGNATOR | THREADED FLANGED | | FLANGE DIAMETER | 1.500 INCHES NOMINAL | | BODY INSIDE DIAMETER | 0.937 INCHES MINIMUM AND | | 0.938 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.375 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.093 INCHES NOMINAL | | MATERIAL | COPPER ALLOY 464 SEAT | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-639 FED STD SINGLE MATERIAL RESPONSE SEAT | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.625 INCHES NOMINAL | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION | | NOMINAL THREAD SIZE | 1.250 INCHES SINGLE THREADED PORTION | | THREAD CLASS | 3A SINGLE THREADED PORTION | | THREAD LENGTH | 0.093 INCHES NOMINAL SINGLE THREADED PORTION | | SPECIAL FEATURES | NHA VALVE TEMP RELEASE | | SPECIFICATION/STANDARD DATA | 75545-QQ-B639 GOVERNMENT STANDARD |
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