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National Stock Number:
4820-00-767-7209
Federal Supply Class:
4820
National Item Identification Number:
007677209
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:
| NL0258- | 0BR59 | SIEMENS GOVERNMENT TECHNOLOGIES, INC. | | NL258-1 | 93591 | PENTAIR VALVES & CONTROLS US LP DIV FLOW CONTROL US HOLDING CORP |
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Techincal Specification:
| BODY INSIDE DIAMETER | 3.250 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 4.499 INCHES MINIMUM AND 4.500 INCHES MAXIMUM | | FLANGE DIAMETER | 5.377 INCHES MINIMUM AND 5.378 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.812 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A182,GRADE F12 ASSN STD SINGLE MATERIAL RESPONSE BODY | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | MATERIAL | COBALT ALLOY FACE | | MATERIAL | STEEL BODY | | SEAT RADIUS | 1.000 INCHES NOMINAL | | SEATING SURFACE SHAPE | RADIAL | | STYLE DESIGNATOR | PLAIN FLANGED | | TAPER LENGTH | 0.625 INCHES NOMINAL | | TAPER MAJOR DIAMETER | 5.062 INCHES NOMINAL | | TAPER MINOR DIAMETER | 3.381 INCHES NOMINAL | | UNDER FLANGE HEIGHT | 1.188 INCHES NOMINAL |
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