Product Details | VALVE SEAT

4820-00-368-8320 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: 1856460081, 185646-0081, 233989PC19, 4820-00-368-8320, 00-368-8320, 4820003688320, 003688320

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 27 FEB 1974 00-368-8320

Drawings & Photos | NSN 4820-00-368-8320


Demand History | NSN 4820-00-368-8320

Part Number Request Date QTY Origin
4820-00-368-8320 2015-07-197 17 DIBBS

Cross Reference | NSN 4820-00-368-8320

Part Number Cage Code Manufacturer
185646-0081 99657 MAROTTA CONTROLS, INC.
233989PC19 99657 MAROTTA CONTROLS, INC.

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Technical Data | NSN 4820-00-368-8320

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.090 INCHES MINIMUM AND 0.093 INCHES MAXIMUM
BODY OUTSIDE DIAMETER 2.247 INCHES MINIMUM AND 2.249 INCHES MAXIMUM
BODY INSIDE DIAMETER 1.750 INCHES MINIMUM AND 1.751 INCHES MAXIMUM
MATERIAL PLASTIC POLYAMIDE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE RADIAL
SEAT RADIUS 0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 4820-00-368-8320

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 4820-00-368-8320

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each