Product Details | VALVE SEAT

4820-00-405-2321 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: 216ASRS144IN, 2-16ASRS14-4IN, 4IN216ASRS14, 4IN2-16ASRS14 , 4820-00-405-2321, 00-405-2321, 4820004052321, 004052321

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 31 MAR 1971 00-405-2321

Drawings & Photos | NSN 4820-00-405-2321


Cross Reference | NSN 4820-00-405-2321

Part Number Cage Code Manufacturer
2-16ASRS14-4IN K5206 DMI YOUNG & CUNNINGHAM LTD
2-16ASRS14-4IN K7735 YOUNG & CUNNINGHAM GLASGOW LTD
4IN2-16ASRS14 K5206 DMI YOUNG & CUNNINGHAM LTD
4IN2-16ASRS14 K7735 YOUNG & CUNNINGHAM GLASGOW LTD

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Technical Data | NSN 4820-00-405-2321

Characteristic Specifications
STYLE DESIGNATOR B7 PLAIN FLANGED
BODY INSIDE DIAMETER 4.000 INCHES NOMINAL
MATERIAL NICKEL ALLOY 400 SEAT
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC 1ST MATERIAL RESPONSE SEAT
SEATING SURFACE SHAPE FLAT
MANUFACTURERS CODE K7735
DESIGN CONTROL REFERENCE 4IN2-16ASRS14

Restrictions/Controls & Freight Information | NSN 4820-00-405-2321

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.
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 576 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 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 4820-00-405-2321

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