Product Details | VALVE SEAT

4820-00-118-1444 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: SS8452110239PC14TFN34IN, SS845-2110239PC14TFN3-4IN, SS8452110239PC14TFN34INQ3, SS845-2110239PC14TFN3-4INQ3, 8035001003A4X104, 803-5001003-A4X1-04, 8035001003A4X104Q3, 803-5001003-A4X1-04Q3, 002181200010001, 002-18-12-0001-0001, 002181200010001Q3, 002-18-12-0001-0001Q3, 002181200040007, 002-18-12-0004-0007, 002181200040007Q3, 002-18-12-0004-0007Q3, 2620926X3PC14TFN34IN, 2620-926X3PC14TFN3-4IN, 2620926X3PC14TFN34INQ3, 2620-926X3PC14TFN3-4INQ3, 4820-00-118-1444, 00-118-1444, 4820001181444, 001181444

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 JAN 1973 00-118-1444

Drawings & Photos | NSN 4820-00-118-1444


Cross Reference | NSN 4820-00-118-1444

Part Number Cage Code Manufacturer
002-18-12-0001-0001 16626 CIRCOR INTL INC
002-18-12-0001-0001Q3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
002-18-12-0004-0007 16626 CIRCOR INTL INC
002-18-12-0004-0007Q3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
2620-926X3PC14TFN3-4IN 16626 CIRCOR INTL INC
2620-926X3PC14TFN3-4IN 96169 ELECTRIC BOAT CORPORATION
2620-926X3PC14TFN3-4INQ3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
803-5001003-A4X1-04 53711 NAVAL SEA SYSTEMS COMMAND
803-5001003-A4X1-04Q3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG
SS845-2110239PC14TFN3-4IN 80064 NAVAL SHIP SYSTEMS COMMAND
SS845-2110239PC14TFN3-4INQ3 03950 NAVAL INVENTORY CONTROL POINT MECHANICSBURG

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Technical Data | NSN 4820-00-118-1444

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
FLANGE DIAMETER 2.052 INCHES MINIMUM AND 2.057 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 1.802 INCHES MINIMUM AND 1.807 INCHES MAXIMUM
BODY INSIDE DIAMETER 1.000 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.160 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
MATERIAL PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 35.000 NOMINAL
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS ITEMS THAT SUPPORT 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-A4X1-04

Restrictions/Controls & Freight Information | NSN 4820-00-118-1444

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 594 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 4820-00-118-1444

Category Code Description
Cognizance Codes1HConsumable material assigned to NAVICP MECH for inventory management
Naval Inventory Control Point, Mechanicsburg
Special Material IDQ3Item that supports a Level 1 or SUBSAFE critical system that has undergone quality assurance during the acquisition process.
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplyNRPNAVICP-ERP
700 Robbins Avenue
Philadelphia, PA 19111-5098
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityMMedium Demand Velocity Items (consumables)
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each