Product Details | VALVE SEAT

4820-00-057-6430 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: 18071485, 180714-85, 4820-00-057-6430, 00-057-6430, 4820000576430, 000576430

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 06 JUN 1967 00-057-6430

Cross Reference | NSN 4820-00-057-6430

Part Number Cage Code Manufacturer
180714-85 99657 MAROTTA CONTROLS, INC.

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Technical Data | NSN 4820-00-057-6430

Characteristic Specifications
FLANGE DIAMETER 0.510 INCHES MINIMUM AND 0.515 INCHES MAXIMUM
OVERALL HEIGHT 0.250 INCHES NOMINAL
BODY OUTSIDE DIAMETER 0.498 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
BODY INSIDE DIAMETER 0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM
MATERIAL PLASTIC POLYETHYLENE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.025 INCHES NOMINAL
MANUFACTURERS CODE 99657
DESIGN CONTROL REFERENCE 180714-85

Restrictions/Controls & Freight Information | NSN 4820-00-057-6430

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:UPrecious metal type is unknown
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 594 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 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 4820-00-057-6430

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each