Product Details | VALVE SEAT

4820-01-477-1581 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: C1955J, 18426, 18426 PART NO. 8, 18426PARTNO8, 4820-01-477-1581, 01-477-1581, 4820014771581, 014771581

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 01 AUG 2000 01-477-1581

Demand History | NSN 4820-01-477-1581

Part Number Request Date QTY Origin
18426 PART NO. 8 2025-02-58 14 DIBBS
C1955J 2025-02-58 14 DIBBS
18426 PART NO. 8 2024-08-224 3 DIBBS
C1955J 2024-08-224 3 DIBBS
18426 PART NO. 8 2023-05-134 9 DIBBS
C1955J 2023-05-134 9 DIBBS
18426 PART NO. 8 2023-04-103 3 DIBBS
C1955J 2023-04-103 3 DIBBS
18426 PART NO. 8 2021-01-21 27 DIBBS
C1955J 2021-01-21 27 DIBBS
4820-01-477-1581 2018-05-144 26 DIBBS
4820-01-477-1581 2016-11-308 25 DIBBS
4820-01-477-1581 2015-12-364 15 DIBBS
4820-01-477-1581 2015-07-193 13 DIBBS
4820-01-477-1581 2013-09-267 31 DIBBS
4820-01-477-1581 2012-08-243 5 DIBBS
4820-01-477-1581 2012-02-55 8 DIBBS
4820-01-477-1581 2011-09-250 7 DIBBS
4820-01-477-1581 2011-06-174 4 DIBBS
4820-01-477-1581 2011-03-67 3 DIBBS
4820-01-477-1581 2010-09-266 3 DIBBS
4820-01-477-1581 2010-06-179 3 DIBBS
4820-01-477-1581 2010-04-118 3 DIBBS
4820-01-477-1581 2009-05-138 3 DIBBS
4820-01-477-1581 2009-04-106 3 DIBBS

Cross Reference | NSN 4820-01-477-1581

Part Number Cage Code Manufacturer
18426 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO
18426 PART NO. 8 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO
C1955J 86184 GRISWOLD INDUSTRIES, CO. DBA CLA-VAL CO

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Technical Data | NSN 4820-01-477-1581

Characteristic Specifications
MATERIAL NICKEL ALLOY SEAT

Restrictions/Controls & Freight Information | NSN 4820-01-477-1581

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 4820-01-477-1581

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