Product Details | VALVE DISK

4820-00-473-9977 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: A107944002002S, A10-7944-002-002-S, A1079442002, A10-7944-2-002, A1079442148, A10-7944-2-148, A107944252, A10-7944-2-52, 4820-00-473-9977, 00-473-9977, 4820004739977, 004739977

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 09 JUN 1974 00-473-9977

Demand History | NSN 4820-00-473-9977

Part Number Request Date QTY Origin
A10-7944-002-002-S 2025-05-132 1 DIBBS
A10-7944-002-002-S 2024-05-141 1 DIBBS
A10-7944-002-002-S 2024-05-128 1 DIBBS
A10-7944-002-002-S 2022-11-312 1 DIBBS
4820-00-473-9977 2009-11-328 1 DIBBS

Cross Reference | NSN 4820-00-473-9977

Part Number Cage Code Manufacturer
A10-7944-002-002-S 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
A10-7944-2-002 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
A10-7944-2-148 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION
A10-7944-2-52 57574 VELAN VALVE CORPORATION DIV VELAN VALVE CORPORATION

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Technical Data | NSN 4820-00-473-9977

Characteristic Specifications
MATERIAL STEEL, CORROSION RESISTING
STYLE DESIGNATOR G14 PLUG
OUTSIDE DIAMETER 2.235 INCHES NOMINAL
SHOULDER HEIGHT 0.242 INCHES NOMINAL
SHOULDER WIDTH 0.080 INCHES NOMINAL
SEAT ANGLE 10.0 DEGREES NOMINAL
THREAD SERIES DESIGNATOR UN
NOMINAL THREAD SIZE 2.250 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MEDIA FOR WHICH DESIGNED ANY ACCEPTABLE
PRESSURE RATING NOT RATED
TEMP RATING NOT RATED
SPECIAL FEATURES W/STEM AND STEM RETAINING NUT

Restrictions/Controls & Freight Information | NSN 4820-00-473-9977

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:UPrecious metal type is unknown
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 671 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 4820-00-473-9977

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
AY : Assembly