Product Details | WEARING RING

4320-00-678-8502 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: C185A, CS43200108, CS4320-0108, R-656 PC32, R656PC32, 4320-00-678-8502, 00-678-8502, 4320006788502, 006788502

Pumps and Compressors | Power and Hand Pumps

Supply Group (FSG) NSN Assign. NIIN
43 01 JAN 1963 00-678-8502

Drawings & Photos | NSN 4320-00-678-8502


Demand History | NSN 4320-00-678-8502

Part Number Request Date QTY Origin
4320-00-678-8502 2018-02-57 60 DIBBS
4320-00-678-8502 2018-02-46 60 DIBBS
4320-00-678-8502 2017-09-253 60 DIBBS
4320-00-678-8502 2014-03-65 17 DIBBS
4320-00-678-8502 2013-10-274 37 DIBBS
4320-00-678-8502 2013-09-246 37 DIBBS

Cross Reference | NSN 4320-00-678-8502

Part Number Cage Code Manufacturer
C185A 63857 WARREN PUMPS LLC
CS4320-0108 16236 DLA LAND AND MARITIME
R-656 PC32 63857 WARREN PUMPS LLC

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Technical Data | NSN 4320-00-678-8502

Characteristic Specifications
MATERIAL COPPER ALLOY
BODY STYLE 34 INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
OVERALL LENGTH 1.000 INCHES NOMINAL
BODY OUTSIDE DIAMETER 3.998 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
BODY INSIDE DIAMETER 2.985 INCHES MINIMUM AND 2.987 INCHES MAXIMUM
LEFT SIDE FLANGE THICKNESS 0.188 INCHES NOMINAL
RIGHT SIDE FLANGE THICKNESS 0.375 INCHES NOMINAL
DISTANCE BETWEEN FLANGES 0.438 INCHES MINIMUM AND 0.441 INCHES MAXIMUM
END TO FLANGE DISTANCE 0.813 INCHES NOMINAL
INTERNAL FLANGE INSIDE DIAMETER 2.625 INCHES NOMINAL
INTERNAL FLANGE WIDTH 0.250 INCHES NOMINAL
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS 1.938 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS 2.219 INCHES NOMINAL
DISTANCE BELOW CENTERLINE 0.125 INCHES NOMINAL
DISTANCE FROM END 0.438 INCHES NOMINAL
CORNER SHAPE SQUARE INSIDE LEFT CORNER ROUND INSIDE RIGHT CORNER SQUARE OUTSIDE LEFT CORNER SQUARE OUTSIDE RIGHT CORNER
CORNER RADIUS 0.375 INCHES NOMINAL INSIDE RIGHT CORNER
SURFACE FINISH 125.0 MICROINCHES ALL SURFACES
SPECIAL FEATURES COUNTERBORED 3.375 IN. DIA LEFT END

Restrictions/Controls & Freight Information | NSN 4320-00-678-8502

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 4320-00-678-8502

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