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National Stock Number:
4820-00-973-3777
Federal Supply Class:
4820
National Item Identification Number:
009733777
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:
| NL667-1 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP | | NP417PC30 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 2.745 INCHES MINIMUM AND | | 2.746 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 2.502 INCHES NOMINAL | | BODY INSIDE DIAMETER | 1.562 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.562 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 0.936 INCHES NOMINAL | | MATERIAL | STEEL BODY | | COBALT ALLOY FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A182,GRADE F21 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | SEATING SURFACE SHAPE | RADIAL | | TAPER MINOR DIAMETER | 1.562 INCHES NOMINAL | | TAPER LENGTH | 0.812 INCHES NOMINAL | | SEAL ACCOMMODATION TYPE | GROOVED |
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