Product Details | VALVE SEAT

4820-00-350-0333 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: B283010, 73931A, 4820-00-350-0333, 00-350-0333, 4820003500333, 003500333

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 JAN 1963 00-350-0333

Drawings & Photos | NSN 4820-00-350-0333


Cross Reference | NSN 4820-00-350-0333

Part Number Cage Code Manufacturer
73931A 64104 DRESSER, INC. DIV DRESSER WAUKESHA
B283010 19207 U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

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Technical Data | NSN 4820-00-350-0333

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.436 INCHES NOMINAL
BODY OUTSIDE DIAMETER 2.068 INCHES NOMINAL
BODY INSIDE DIAMETER 1.625 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
MATERIAL STEEL OVERALL
HARDNESS RATING 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 0.750 NOMINAL
SPECIAL FEATURES STAMP LETTER L ON TOP TO IDENTIFY ONTARIO STEEL FROM OTHER STEEL INSERTS

Restrictions/Controls & Freight Information | NSN 4820-00-350-0333

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information