Product Details | VALVE DISK

4820-01-204-8518 An item of various shapes (usually circular, conical, cylindrical, or rectangular) used to prevent or regulate the flow of liquids or gases through the valve. May include a retainer, screw, holder, and the like.20616500058Aircraft Hydraulic, Vacuum, and De-icing System Components16600062Aircraft Air Conditioning, Heating, and Pressurizing Equipment29150064Engine Fuel System Components, Aircraft and Missile Prime Movers48100015Valves, Powered48200018Valves, Nonpowered65150057Medical and Surgical Instruments, Equipment, and Supplies

Part Alternates: 8034384536, 803-4384536, 803438453631B6, 803-4384536-31B-6, 80343845363XXX06, 803-4384536-3XXX-06, 4820-01-204-8518, 01-204-8518, 4820012048518, 012048518

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 30 MAR 1985 01-204-8518

Drawings & Photos | NSN 4820-01-204-8518


Demand History | NSN 4820-01-204-8518

Part Number Request Date QTY Origin
4820-01-204-8518 2025-06-167 70 DIBBS
4820-01-204-8518 2025-06-156 70 DIBBS
8034384536 2024-09-265 5 KR
4820-01-204-8518 2020-12-352 92 DIBBS
4820-01-204-8518 2019-11-329 73 DIBBS
4820-01-204-8518 2019-11-317 73 DIBBS
4820-01-204-8518 2018-09-263 87 DIBBS
4820-01-204-8518 2015-03-90 157 DIBBS

Cross Reference | NSN 4820-01-204-8518

Part Number Cage Code Manufacturer
803-4384536 80064 NAVAL SHIP SYSTEMS COMMAND
803-4384536-31B-6 80064 NAVAL SHIP SYSTEMS COMMAND
803-4384536-3XXX-06 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4820-01-204-8518

Characteristic Specifications
MATERIAL PLASTIC, POLYCHLOROTRIFLUOROETHYLENE
STYLE DESIGNATOR G4 PLAIN
INSIDE DIAMETER 0.219 INCHES NOMINAL
OUTSIDE DIAMETER 0.798 INCHES NOMINAL
OVERALL HEIGHT 0.188 INCHES NOMINAL
LOWER SURFACE WIDTH 0.171 INCHES NOMINAL
MEDIA FOR WHICH DESIGNED GAS OR OIL OR WATER
PRESSURE RATING NOT RATED
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL

Restrictions/Controls & Freight Information | NSN 4820-01-204-8518

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 4820-01-204-8518

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