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National Stock Number:
4820-00-399-4472
Federal Supply Class:
4820
National Item Identification Number:
003994472
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:
| 1-JC-6125PC2 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 1-JC-6125PIECE2 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT | | 1-JH-2856PIECE48 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT | | 1791692 | 11660 | WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT | | 1791692 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 1-JH-2856PIECE48 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 1JH2856PC48 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 1791692 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 1.563 INCHES MINIMUM AND | | 1.573 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 1.062 INCHES MINIMUM AND | | 1.063 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 0.688 INCHES NOMINAL | | FLANGE SEAT TO DISK END HEIGHT | 0.477 INCHES MINIMUM AND | | 0.483 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 1.329 INCHES MINIMUM AND | | 1.335 INCHES MAXIMUM | | MATERIAL | STEEL BODY | | ROD,WELDING,SURFACING FACE | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-853,CLASS 3,TYPE A MIL SPEC SINGLE MATERIAL RESPONSE BODY | | MIL-R-17131,TYPE MIL-RCOCR-A MIL SPEC SINGLE MATERIAL RESPONSE FACE | | SEATING SURFACE SHAPE | RADIAL | | SEAT RADIUS | 0.151 INCHES MINIMUM AND | | 0.161 INCHES MAXIMUM | | TAPER MINOR DIAMETER | 0.495 INCHES MINIMUM AND | | 0.505 INCHES MAXIMUM | | TAPER MAJOR DIAMETER | 0.688 INCHES NOMINAL | | TAPER LENGTH | 0.376 INCHES NOMINAL | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 11660 | | DESIGN CONTROL REFERENCE | 1-JC-6125PIECE2 |
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