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National Stock Number:
4820-01-108-2632
Federal Supply Class:
4820
National Item Identification Number:
011082632
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:
| 639AS1446 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| BODY INSIDE DIAMETER | 0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM | | BODY OUTSIDE DIAMETER | 0.330 INCHES NOMINAL | | FLANGE DIAMETER | 0.627 INCHES MINIMUM AND 0.628 INCHES MAXIMUM | | MATERIAL | PLASTIC POLYAMIDE NYLON OVERALL | | NOMINAL THREAD SIZE | 0.312 INCHES SINGLE THREADED PORTION | | SEAT ANGLE IN DEG | 45.000 NOMINAL | | SEATING SURFACE SHAPE | ANGULAR | | THREAD CLASS | 2B SINGLE THREADED PORTION | | THREAD SERIES DESIGNATOR | UNEF SINGLE THREADED PORTION |
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