Product Details | VALVE SEAT

4820-01-475-8250 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: 2643-820-03, 2643-820-03 ITEM 29, 264382003ITEM29, 7286645, 845-7286645 ITEM 29, 8457286645ITEM29, 4820-01-475-8250, 01-475-8250, 4820014758250, 264382003, 014758250

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 14 JUN 2000 01-475-8250

Drawings & Photos | NSN 4820-01-475-8250


Demand History | NSN 4820-01-475-8250

Part Number Request Date QTY Origin
4820-01-475-8250 2023-11-310 62 DIBBS
4820-01-475-8250 2021-04-115 84 DIBBS
4820-01-475-8250 2020-10-294 98 DIBBS
4820-01-475-8250 2020-06-159 114 DIBBS
4820-01-475-8250 2016-08-220 93 DIBBS
4820-01-475-8250 2014-10-275 71 DIBBS
4820-01-475-8250 2014-02-34 71 DIBBS
4820-01-475-8250 2012-09-264 14 DIBBS
4820-01-475-8250 2012-03-72 30 DIBBS
4820-01-475-8250 2009-04-120 15 DIBBS
4820-01-475-8250 2008-12-359 16 DIBBS

Cross Reference | NSN 4820-01-475-8250

Part Number Cage Code Manufacturer
2643-820-03 96169 ELECTRIC BOAT CORPORATION
2643-820-03 ITEM 29 96169 ELECTRIC BOAT CORPORATION
7286645 53711 NAVAL SEA SYSTEMS COMMAND
845-7286645 ITEM 29 53711 NAVAL SEA SYSTEMS COMMAND

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Technical Data | NSN 4820-01-475-8250

Characteristic Specifications
STYLE DESIGNATOR B6 PLAIN
OVERALL HEIGHT 0.372 INCHES NOMINAL
MATERIAL PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SPECIAL FEATURES LEVEL 1 NAVSEA
III END ITEM IDENTIFICATION E/I BALL VALVE .50; .75; OR 1 INCH TOP LOAD

Restrictions/Controls & Freight Information | NSN 4820-01-475-8250

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 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 4820-01-475-8250

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