Product Details | VALVE SEAT

4820-00-081-6511 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: SS845-2110239PC14TFN2 1-2IN, SS845-2110239PC14TFN2 1-2INQ3, SS8452110239PC14TFN212IN, SS8452110239PC14TFN212INQ3, USE 1H4820-00-411-4217Q3, USE1H4820004114217Q3, 8035001003X9X104, 803-5001003-X9X1-04, 8035001003X9X104Q3, 803-5001003-X9X1-04Q3, 002183000010001, 002-18-30-0001-0001, 002183000010001Q3, 002-18-30-0001-0001Q3, 2620-926X3PC14TFN2 1-2IN, 2620-926X3PC14TFN2 1-2INQ3, 2620926X3PC14TFN212IN, 2620926X3PC14TFN212INQ3, 4820-00-081-6511, 00-081-6511, 4820000816511, 000816511

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 24-NOV-72 00-081-6511

Drawings & Photos | NSN 4820-00-081-6511


Cross Reference | NSN 4820-00-081-6511

Part Number Cage Code Manufacturer
002-18-30-0001-0001 35795 LESLIE CONTROLS, INC.
002-18-30-0001-0001Q3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2620-926X3PC14-2 1-2IN 96169 ELECTRIC BOAT CORPORATION
2620-926X3PC14-2 1-2INQ3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2620-926X3PC14TFN2 1-2IN 35795 LESLIE CONTROLS, INC.
2620-926X3PC14TFN2 1-2IN 96169 ELECTRIC BOAT CORPORATION
2620-926X3PC14TFN2 1-2INQ3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-5001003-X9X1-04Q3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-5001003-X9XX-04 53711 NAVAL SEA SYSTEMS COMMAND
803-5001003-X9XX-04Q3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2110239PC14-2 1-2IN 80064 NAVAL SHIP SYSTEMS COMMAND
SS845-2110239PC14-2 1-2INQ3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2110239PC14TFN2 1-2IN 80064 NAVAL SHIP SYSTEMS COMMAND
SS845-2110239PC14TFN2 1-2INQ3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
USE 1H4820-00-411-4217Q3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-00-081-6511

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.505 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 3.677 INCHES MINIMUM AND 3.682 INCHES MAXIMUM
BODY INSIDE DIAMETER 2.250 INCHES NOMINAL
MATERIAL PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 35.000 NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS ITEM THAT SUPPORTS A LEVEL 1 OR SUBSAFE CRITICAL SYSTEM THAT HAS UNDERGONE QUALITY ASSURANCE DURING THE ACQUISITION PROCESS
CRITICALITY CODE JUSTIFICATION ZZZY
MANUFACTURERS CODE 53711
DESIGN CONTROL REFERENCE 803-5001003-X9X1-04

Restrictions/Controls & Freight Information | NSN 4820-00-081-6511

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:SThe item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel.
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