Product Details | STOP-CHECK VALVE

4820-01-499-4250 A valve with a bolt or stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. The valve disk may be spring loaded. It may be inline or cartridge (manifold) design. See also VALVE (1), LIFT-CHECK and VALVE (1), STOP-LIFT-CHECK.20248100015Valves, Powered48200018Valves, Nonpowered

Part Alternates: MDL 2664, MDL2664, 516-7428940 PC 4, 5167428940PC4, 7428940, 4820-01-499-4250, 01-499-4250, 4820014994250, 014994250

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 23 JUL 2002 01-499-4250

Demand History | NSN 4820-01-499-4250

Part Number Request Date QTY Origin
4820-01-499-4250 2025-10-282 3 DIBBS
4820-01-499-4250 2025-05-139 2 DIBBS
4820-01-499-4250 2024-03-88 4 DIBBS
4820-01-499-4250 2024-02-39 2 DIBBS
4820-01-499-4250 2022-11-317 2 DIBBS
4820-01-499-4250 2022-01-09 3 DIBBS
4820-01-499-4250 2021-07-202 10 DIBBS
4820-01-499-4250 2021-02-46 4 DIBBS
4820-01-499-4250 2020-10-294 12 DIBBS
4820-01-499-4250 2020-05-149 3 DIBBS
4820-01-499-4250 2020-03-76 9 DIBBS
4820-01-499-4250 2014-01-09 7 DIBBS
4820-01-499-4250 2013-10-294 7 DIBBS
4820-01-499-4250 2011-10-294 7 DIBBS
4820-01-499-4250 2011-05-126 10 DIBBS
4820-01-499-4250 2009-10-288 1 DIBBS

Cross Reference | NSN 4820-01-499-4250

Part Number Cage Code Manufacturer
516-7428940 PC 4 53711 NAVAL SEA SYSTEMS COMMAND
7428940 53711 NAVAL SEA SYSTEMS COMMAND
MDL 2664 96948 KEPNER PRODUCTS COMPANY

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Technical Data | NSN 4820-01-499-4250

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
SPECIAL FEATURES "T" STYLE W/OFFSET.
END ITEM IDENTIFICATION E/I:VALVE,CHECK ASSY.W/S:LOS ANGELES CLASS

Restrictions/Controls & Freight Information | NSN 4820-01-499-4250

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 4820-01-499-4250

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