Product Details | VALVE SEAT

4820-01-051-8366 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: SS845-2110230 PIECE 25 1-2IN, SS8452110230PIECE2512IN, 2110230, 2110230 PIECE 25 1-2IN, 2110230PIECE2512IN, 2620902, 2620-902, 2620-902ASSYBPC25 1-2IN, 2620902ASSYBPC2512IN, 2620-902X8 PC25, 2620902X8PC25, 70061948, 8032177934, 803-2177934, 80321779343XX19, 803-2177934-3XX-19, 8032177934X3XX19, 803-2177934-X3XX-19 , 8451889587, 845-1889587, 845-1889587ASSYBPC25 1-2IN, 8451889587ASSYBPC2512IN, 4820-01-051-8366, 01-051-8366, 4820010518366, 010518366

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 DEC 1977 01-051-8366

Drawings & Photos | NSN 4820-01-051-8366


Demand History | NSN 4820-01-051-8366

Part Number Request Date QTY Origin
4820-01-051-8366 2024-06-162 61 DIBBS
4820-01-051-8366 2024-04-95 66 DIBBS
4820-01-051-8366 2019-03-65 105 DIBBS
4820-01-051-8366 2017-02-38 83 DIBBS
8032177934 2013-01-22 1 United States
8032177934 2013-01-21 1 United States
4820-01-051-8366 2012-08-226 85 DIBBS
4820-01-051-8366 2012-05-126 50 DIBBS
4820-01-051-8366 2009-06-180 22 DIBBS
4820-01-051-8366 2009-04-96 35 DIBBS

Cross Reference | NSN 4820-01-051-8366

Part Number Cage Code Manufacturer
2110230 80064 NAVAL SHIP SYSTEMS COMMAND
2110230 PIECE 25 1-2IN 80064 NAVAL SHIP SYSTEMS COMMAND
2620-902 96169 ELECTRIC BOAT CORPORATION
2620-902ASSYBPC25 1-2IN 63686 THE WALWORTH COMPANY
2620-902ASSYBPC25 1-2IN 96169 ELECTRIC BOAT CORPORATION
2620-902X8 PC25 96169 ELECTRIC BOAT CORPORATION
70061948 63686 THE WALWORTH COMPANY
70061948 90664 WALWORTH CO MARINE DIV
803-2177934 53711 NAVAL SEA SYSTEMS COMMAND
803-2177934 80064 NAVAL SHIP SYSTEMS COMMAND
803-2177934-3XX-19 53711 NAVAL SEA SYSTEMS COMMAND
803-2177934-3XX-19 80064 NAVAL SHIP SYSTEMS COMMAND
803-2177934-X3XX-19 80064 NAVAL SHIP SYSTEMS COMMAND
845-1889587 80064 NAVAL SHIP SYSTEMS COMMAND
845-1889587ASSYBPC25 1-2IN 80064 NAVAL SHIP SYSTEMS COMMAND
SS845-2110230 PIECE 25 1-2IN 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-051-8366

Characteristic Specifications
STYLE DESIGNATOR B1 THREADED FLANGED
FLANGE DIAMETER 0.937 INCHES NOMINAL
BODY INSIDE DIAMETER 0.500 INCHES NOMINAL
FLANGE SEAT TO DISK END HEIGHT 0.108 INCHES NOMINAL
UNDER FLANGE HEIGHT 0.312 INCHES NOMINAL
MATERIAL NICKEL ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING NOT RATED
SEATING SURFACE SHAPE FLAT

Restrictions/Controls & Freight Information | NSN 4820-01-051-8366

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 576 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 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 4820-01-051-8366

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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each