Product Details | VALVE SEAT

4820-00-952-5568 A replaceable item designed to provide a 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.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: 10231-3-163, 4820-00-952-5568, 00-952-5568, 4820009525568, 102313163, 009525568

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1960 00-952-5568

Cross Reference | NSN 4820-00-952-5568

Part Number Cage Code Manufacturer
10231-3-163 38683 DRESSER INDUSTRIES INC MASONEILAN NORTH AMERICAN OPNS

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Technical Data | NSN 4820-00-952-5568

Characteristic Specifications
OVERALL HEIGHT 0.625 INCHES NOMINAL
BODY INSIDE DIAMETER 0.985 INCHES NOMINAL
MATERIAL NICKEL ALLOY OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 30.000 NOMINAL
THREAD SERIES DESIGNATOR UNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE 1.625 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 20 SINGLE THREADED PORTION
(NON-CORE DATA) THREAD PITCH DIAMETERS IN INCHES 1.5870 TO 1.5920 SINGLE THREADED PORTION
THREAD LENGTH 0.266 INCHES NOMINAL SINGLE THREADED PORTION

Restrictions/Controls & Freight Information | NSN 4820-00-952-5568

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
No Freight Information