Product Details | VALVE SEAT

4820-01-068-3504 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: 4820-01-068-3504, 01-068-3504, 4820010683504, 010683504

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01-068-3504

Drawings & Photos | NSN 4820-01-068-3504


Cross Reference | NSN 4820-01-068-3504

Part Number Cage Code Manufacturer
2110230 80064 NAVAL SHIP SYSTEMS COMMAND
2110230 PIECE 25 1-2IN 80064 NAVAL SHIP SYSTEMS COMMAND
2620-902 96169 ELECTRIC BOAT CORPORATION
2620-902ASSYBPC25 1-2IN 63686 THE WALWORTH COMPANY
2620-902ASSYBPC25 1-2IN 96169 ELECTRIC BOAT CORPORATION
2620-902X8 PC25 96169 ELECTRIC BOAT CORPORATION
70061948 63686 THE WALWORTH COMPANY
70061948 90664 WALWORTH CO MARINE DIV
803-2177934 53711 NAVAL SEA SYSTEMS COMMAND
803-2177934 80064 NAVAL SHIP SYSTEMS COMMAND
803-2177934-3XX-19 53711 NAVAL SEA SYSTEMS COMMAND
803-2177934-3XX-19 80064 NAVAL SHIP SYSTEMS COMMAND
803-2177934-X3XX-19 80064 NAVAL SHIP SYSTEMS COMMAND
845-1889587 80064 NAVAL SHIP SYSTEMS COMMAND
845-1889587ASSYBPC25 1-2IN 80064 NAVAL SHIP SYSTEMS COMMAND
SS845-2110230 PIECE 25 1-2IN 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-068-3504

Characteristic Specifications
STYLE DESIGNATOR B1 THREADED FLANGED
FLANGE DIAMETER 0.939 INCHES NOMINAL
BODY INSIDE DIAMETER 0.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.140 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.310 INCHES NOMINAL
MATERIAL NICKEL ALLOY OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 75.000 NOMINAL
THREAD SERIES DESIGNATOR UNS SINGLE THREADED PORTION
NOMINAL THREAD SIZE 0.763 INCHES SINGLE THREADED PORTION
THREAD QUANTITY PER INCH 24 SINGLE THREADED PORTION
THREAD CLASS 2A SINGLE THREADED PORTION
THREAD LENGTH 0.250 INCHES NOMINAL SINGLE THREADED PORTION

Restrictions/Controls & Freight Information | NSN 4820-01-068-3504

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
Category Code Description
No Freight Information