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National Stock Number:
4820-01-582-1915
Federal Supply Class:
4820
National Item Identification Number:
015821915
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:
| 803-6397247-2X1X-14 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| BODY INSIDE DIAMETER | 4.000 INCHES NOMINAL | | FLANGE DIAMETER | 3.500 INCHES NOMINAL | | MATERIAL | NICKEL ALLOY 400 OVERALL | | PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAT | | SEATING SURFACE SHAPE | FLAT | | SPECIAL FEATURES | TORQUE: 90 MAXIMUM INCHES / LBS, SEATING & RUNNING; 6000PSI RATED | | SPECIAL TEST FEATURES | MATERIAL: NICKEL COPPER PER QQ-N-281 OR ASTM B164 ALY UNS NO4400 |
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