Product Details | WEARING RING

4320-00-398-5957 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: CA5930PC11, CA7681PC8, 4320-00-398-5957, 00-398-5957, 4320003985957, 003985957

Pumps and Compressors | Power and Hand Pumps

Supply Group (FSG) NSN Assign. NIIN
43 01 JAN 1963 00-398-5957

Drawings & Photos | NSN 4320-00-398-5957


Cross Reference | NSN 4320-00-398-5957

Part Number Cage Code Manufacturer
CA5930PC11 83130 BUFFALO PUMPS, INC. DIV BUFFALO PUMPS DIV
CA7681PC8 83130 BUFFALO PUMPS, INC. DIV BUFFALO PUMPS DIV

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Technical Data | NSN 4320-00-398-5957

Characteristic Specifications
MATERIAL COPPER ALLOY
BODY STYLE 1 PLAIN
OVERALL LENGTH 0.625 INCHES NOMINAL
BODY OUTSIDE DIAMETER 3.250 INCHES NOMINAL
BODY INSIDE DIAMETER 2.875 INCHES NOMINAL
CORNER SHAPE SQUARE ALL CORNERS
SPECIAL FEATURES FOUR HOLES EQUALLY SPACED ON OUTSIDE SURFACE 0.188 IN. DIA -32 UNF THD TAPPED THROUGH

Restrictions/Controls & Freight Information | NSN 4320-00-398-5957

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 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 XX
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 4320-00-398-5957

Category Code Description
Cognizance Codes9CNavy-owned stocks of defense construction material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9CDefense Supply Center Columbus
Columbus, OH 43215
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Z
EA : Each