Product Details | CHECK VALVE

4820-00-394-2445 A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Part Alternates: CKBA0500605A, CKRX0519800B, 1614S, 161-4S, 4820-00-394-2445, 00-394-2445, 4820003942445, 003942445

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 05 APR 1974 00-394-2445

Drawings & Photos | NSN 4820-00-394-2445


Demand History | NSN 4820-00-394-2445

Part Number Request Date QTY Origin
161-4S 2025-09-258 6 DIBBS
CKRX0519800B 2025-09-258 6 DIBBS
161-4S 2025-09-247 6 DIBBS
CKRX0519800B 2025-09-247 6 DIBBS
161-4S 2025-03-78 32 DIBBS
CKRX0519800B 2025-03-78 32 DIBBS
161-4S 2025-02-49 8 DIBBS
CKRX0519800B 2025-02-49 8 DIBBS
161-4S 2025-02-37 8 DIBBS
CKRX0519800B 2025-02-37 8 DIBBS
161-4S 2024-05-134 32 DIBBS
CKRX0519800B 2024-05-134 32 DIBBS
161-4S 2023-08-221 28 DIBBS
CKRX0519800B 2023-08-221 28 DIBBS
161-4S 2023-06-152 17 DIBBS
CKRX0519800B 2023-06-152 17 DIBBS
161-4S 2023-04-99 7 DIBBS
CKRX0519800B 2023-04-99 7 DIBBS
161-4S 2022-06-180 5 DIBBS
CKRX0519800B 2022-06-180 5 DIBBS
161-4S 2022-03-60 5 DIBBS
CKRX0519800B 2022-03-60 5 DIBBS
161-4S 2021-08-216 5 DIBBS
CKRX0519800B 2021-08-216 5 DIBBS
161-4S 2021-05-145 6 DIBBS
CKRX0519800B 2021-05-145 6 DIBBS
161-4S 2021-02-49 6 DIBBS
CKRX0519800B 2021-02-49 6 DIBBS
161-4S 2020-10-294 6 DIBBS
CKRX0519800B 2020-10-294 6 DIBBS
4820-00-394-2445 2019-12-336 1 United States
4820-00-394-2445 2019-12-336 2 United States
161-4S 2019-09-255 15 DIBBS
CKRX0519800B 2019-09-255 15 DIBBS
161-4S 2019-04-92 15 DIBBS
CKRX0519800B 2019-04-92 15 DIBBS
4820-00-394-2445 2018-10-297 11 DIBBS
4820-00-394-2445 2016-10-286 22 DIBBS
4820-00-394-2445 2015-01-09 17 DIBBS
4820-00-394-2445 2015-01-01 17 DIBBS
4820-00-394-2445 2014-11-306 17 DIBBS
4820-00-394-2445 2014-10-294 0 United States
4820-00-394-2445 2014-09-257 9 DIBBS
4820-00-394-2445 2011-01-07 3 DIBBS
4820-00-394-2445 2010-10-298 3 DIBBS
4820-00-394-2445 2009-08-215 37 DIBBS
4820-00-394-2445 2009-04-91 7 DIBBS
4820-00-394-2445 2009-03-72 6 DIBBS
4820-00-394-2445 2009-03-72 11 DIBBS
4820-00-394-2445 2009-02-48 10 DIBBS
4820-00-394-2445 2008-12-336 8 DIBBS

Cross Reference | NSN 4820-00-394-2445

Part Number Cage Code Manufacturer
161-4S 16780 EATON AEROSPACE LLC DBA SOLENOID VALVES
161-4S 77842 EATON CORPORATION DBA CENTURIAN MECHANICAL SEALS
CKBA0500605A 92555 THE LEE COMPANY
CKRX0519800B 92555 THE LEE COMPANY

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Technical Data | NSN 4820-00-394-2445

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING BODY
FLOW CONTROL DEVICE POPPET
MAXIMUM OPERATING PRESSURE 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
SPECIAL FEATURES CARTRIDGE TYPE

Restrictions/Controls & Freight Information | NSN 4820-00-394-2445

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 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 4820-00-394-2445

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