Product Details | WEARING RING

4320-01-371-2640 A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.20229350055Engine System Cooling Components, Aircraft Prime Moving43200020Power and Hand Pumps

Part Alternates: T52001390027588, T520-0139-002-7588, 8456556347, 845-6556347, 84565563472, 845-6556347-2, 4320-01-371-2640, 01-371-2640, 4320013712640, 013712640

Pumps and Compressors | Power and Hand Pumps

Supply Group (FSG) NSN Assign. NIIN
43 09 FEB 1993 01-371-2640

Drawings & Photos | NSN 4320-01-371-2640


Demand History | NSN 4320-01-371-2640

Part Number Request Date QTY Origin
T520-0139-002-7588 2022-07-209 39 DIBBS
T520-0139-002-7588 2020-10-294 27 DIBBS
T520-0139-002-7588 2019-10-294 5 DIBBS
T520-0139-002-7588 2019-10-283 5 DIBBS
T520-0139-002-7588 2019-08-224 6 DIBBS
T520-0139-002-7588 2019-06-178 6 DIBBS
4320-01-371-2640 2016-09-251 16 DIBBS
4320-01-371-2640 2016-06-158 6 DIBBS
4320-01-371-2640 2016-05-146 5 DIBBS
4320-01-371-2640 2016-04-97 5 DIBBS
4320-01-371-2640 2013-10-296 5 DIBBS
4320-01-371-2640 2013-06-163 5 DIBBS
4320-01-371-2640 2012-08-244 2 DIBBS
4320-01-371-2640 2012-01-27 2 DIBBS
4320-01-371-2640 2008-11-323 4 DIBBS
4320-01-371-2640 2007-03-71 2 DIBBS

Cross Reference | NSN 4320-01-371-2640

Part Number Cage Code Manufacturer
845-6556347 53711 NAVAL SEA SYSTEMS COMMAND
845-6556347-2 53711 NAVAL SEA SYSTEMS COMMAND
845-6556347-2 95024 JOHN CRANE-HOUDAILLE INC LAWRENCE PARK INDUSTRIAL DISTRICT
T520-0139-002-7588 71724 JOHN CRANE INC

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Technical Data | NSN 4320-01-371-2640

Characteristic Specifications
MATERIAL CARBON GRAPHITE AND PLASTIC
BODY STYLE 1 PLAIN
OVERALL LENGTH 0.250 INCHES NOMINAL
BODY OUTSIDE DIAMETER 1.520 INCHES NOMINAL
BODY INSIDE DIAMETER 1.396 INCHES NOMINAL
CORNER SHAPE SQUARE ALL CORNERS
SPECIAL FEATURES W/ 45 DEGREE SPLIT
MANUFACTURERS CODE 53711
MFR SOURCE CONTROLLING REFERENCE 845-6556347-2

Restrictions/Controls & Freight Information | NSN 4320-01-371-2640

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 128000 PUMPS PWR NOI/WORKING HEADS/PARTS
Less than car load rating
Less than truck load rating M 85.0
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 4320-01-371-2640

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