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National Stock Number:
4820-00-412-2315
Federal Supply Class:
4820
National Item Identification Number:
004122315
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:
| AGSS555-508-2101035PC003 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | AGSS555-508-2101035PC003 | 81316 | PORTSMOUTH NAVAL SHIPYARD | | AGSS555-508-2101035PC003Q3 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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Techincal Specification:
| STYLE DESIGNATOR | PLAIN FLANGED | | FLANGE DIAMETER | 2.406 INCHES NOMINAL | | BODY OUTSIDE DIAMETER | 2.283 INCHES MINIMUM AND | | 2.285 INCHES MAXIMUM | | BODY INSIDE DIAMETER | 1.939 INCHES MINIMUM AND | | 1.941 INCHES MAXIMUM | | FLANGE SEAT TO DISK END HEIGHT | 0.159 INCHES MINIMUM AND | | 0.161 INCHES MAXIMUM | | UNDER FLANGE HEIGHT | 0.152 INCHES MINIMUM AND | | 0.155 INCHES MAXIMUM | | MATERIAL | PLASTIC OVERALL | | MATERIAL DOCUMENT AND CLASSIFICATION | URETHANE ADIPRENE,L315 NAVY MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | | HARDNESS RATING | 75.0 SHORE DUROMETER D NOMINAL BODY | | 75.0 SHORE DUROMETER D NOMINAL FACE | | SEATING SURFACE SHAPE | ANGULAR | | SEAT ANGLE IN DEG | 50.000 NOMINAL | | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS | | CRITICALITY CODE JUSTIFICATION | ZZZY | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 81316 | | DESIGN CONTROL REFERENCE | AGSS555-508-2101035PC003 |
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