Product Details | VALVE SEAT

4820-01-398-8455 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: 7370050, 7370-050, 7370-050 ITEM 7 3IN, 7370050ITEM73IN, 7542701209, 7542-701-209, 4820-01-398-8455, 01-398-8455, 4820013988455, 013988455

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 NOV 1994 01-398-8455

Drawings & Photos | NSN 4820-01-398-8455


Cross Reference | NSN 4820-01-398-8455

Part Number Cage Code Manufacturer
7370-050 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
7370-050 ITEM 7 3IN 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
7542-701-209 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION

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Technical Data | NSN 4820-01-398-8455

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.840 INCHES NOMINAL
BODY OUTSIDE DIAMETER 3.657 INCHES NOMINAL
BODY INSIDE DIAMETER 3.000 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING SEAT
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE ANGULAR
SEAT ANGLE IN DEG 15.000 NOMINAL
SPECIAL FEATURES 3IN ANGLE VALVE

Restrictions/Controls & Freight Information | NSN 4820-01-398-8455

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 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 4820-01-398-8455

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