Product Details | CHECK VALVE

4820-01-181-9552 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: CKFA2506005, CKFA2506005A, 4820-01-181-9552, 01-181-9552, 4820011819552, 011819552

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 18 JUN 1984 01-181-9552

Drawings & Photos | NSN 4820-01-181-9552


Demand History | NSN 4820-01-181-9552

Part Number Request Date QTY Origin
CKFA2506005 2025-06-156 23 DIBBS
CKFA2506005A 2025-06-156 23 DIBBS
4820-01-181-9552 2024-10-287 1 United Kingdom
CKFA2506005 2024-05-137 24 DIBBS
CKFA2506005A 2024-05-137 24 DIBBS
4820-01-181-9552 2023-05-148 10 Taiwan
CKFA2506005 2023-01-09 35 DIBBS
CKFA2506005A 2023-01-09 35 DIBBS
CKFA2506005 2022-11-317 35 DIBBS
CKFA2506005A 2022-11-317 35 DIBBS
CKFA2506005 2022-08-227 21 DIBBS
CKFA2506005A 2022-08-227 21 DIBBS
CKFA2506005 2022-08-216 21 DIBBS
CKFA2506005A 2022-08-216 21 DIBBS
CKFA2506005 2022-07-191 9 DIBBS
CKFA2506005A 2022-07-191 9 DIBBS
CKFA2506005 2022-06-160 4 DIBBS
CKFA2506005A 2022-06-160 4 DIBBS
CKFA2506005A 2021-07-188 1 Hong Kong
4820-01-181-9552 2020-12-337 4 CA
CKFA2506005 2020-03-61 32 DIBBS
CKFA2506005A 2020-03-61 32 DIBBS
CKFA2506005 2019-03-87 41 DIBBS
CKFA2506005A 2019-03-87 41 DIBBS
4820-01-181-9552 2018-11-332 3 Hong Kong
CKFA2506005A 2018-10-275 20 Hong Kong
4820-01-181-9552 2018-07-185 8 DIBBS
4820-01-181-9552 2017-06-180 14 DIBBS
4820-01-181-9552 2017-04-116 15 DIBBS
4820-01-181-9552 2016-11-318 19 DIBBS
4820-01-181-9552 2016-10-304 16 DIBBS
4820-01-181-9552 2016-10-278 20 DIBBS
4820-01-181-9552 2016-09-251 25 DIBBS
4820-01-181-9552 2016-07-213 7 DIBBS
4820-01-181-9552 2016-04-102 2 DIBBS
4820-01-181-9552 2016-04-101 3 DIBBS
4820-01-181-9552 2016-03-91 4 DIBBS
4820-01-181-9552 2015-10-302 2 DIBBS
4820-01-181-9552 2015-10-281 2 DIBBS
4820-01-181-9552 2014-10-293 4 DIBBS
4820-01-181-9552 2014-10-281 4 DIBBS
4820-01-181-9552 2011-01-08 13 DIBBS
4820-01-181-9552 2010-07-195 12 DIBBS
4820-01-181-9552 2009-10-293 17 DIBBS

Cross Reference | NSN 4820-01-181-9552

Part Number Cage Code Manufacturer
CKFA2506005 92555 THE LEE COMPANY
CKFA2506005A 92555 THE LEE COMPANY

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Technical Data | NSN 4820-01-181-9552

Characteristic Specifications
MATERIAL STEEL BODY STEEL FLOW CONTROL DEVICE
STYLE DESIGNATOR A6 STRAIGHT THRU
FLOW CONTROL DEVICE BALL
MAXIMUM OPERATING PRESSURE 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE
VALVE OPERATION METHOD AUTOMATIC
CONNECTION STYLE B42 FLARED 1ST END
SEAT ANGLE 37.0 DEGREES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.563 INCHES 1ST END
THREAD CLASS 3A 1ST END
THREAD DIRECTION RIGHT-HAND 1ST END
MOUNTING POSITION HORIZONTAL
DISK LOADING METHOD SPRING

Restrictions/Controls & Freight Information | NSN 4820-01-181-9552

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 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 4820-01-181-9552

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