Product Details | VALVE SEAT

4820-01-199-8743 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: 23399, 23399REVM PIECE 5 2IN, 23399REVMPIECE52IN, 2557073046S, 2557-073-046-S, 25577369, 2557-73-69, 4820-01-199-8743, 01-199-8743, 4820011998743, 011998743

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 26 JAN 1985 01-199-8743

Drawings & Photos | NSN 4820-01-199-8743


Demand History | NSN 4820-01-199-8743

Part Number Request Date QTY Origin
4820-01-199-8743 2024-05-145 2 US

Cross Reference | NSN 4820-01-199-8743

Part Number Cage Code Manufacturer
23399 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
23399REVM PIECE 5 2IN 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
2557-073-046-S 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
2557-73-69 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION

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Technical Data | NSN 4820-01-199-8743

Characteristic Specifications
STYLE DESIGNATOR B12 PLAIN FLANGED
FLANGE DIAMETER 1.828 INCHES NOMINAL
BODY OUTSIDE DIAMETER 1.622 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
BODY INSIDE DIAMETER 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM
FLANGE SEAT TO DISK END HEIGHT 0.763 INCHES MINIMUM AND 0.764 INCHES MAXIMUM
UNDER FLANGE HEIGHT 0.374 INCHES MINIMUM AND 0.383 INCHES MAXIMUM
MATERIAL STEEL OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 7.000 NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-01-199-8743

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: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
NMF Description 051080 FAUCETS,BIBCOCKS,GATES VALVES
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
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 4820-01-199-8743

Category Code Description
Cognizance Codes3BNavy-owned stocks of field level repairable DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
ReparabilityDField Level Reparables
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each