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NSN 4320-00-212-9186, 4320002129186
RING,WEARING

Federal Supply Classification
FSC 4320 - Power and Hand Pumps
National Item Identification Number
NIIN 002129186
Codification Country
United States
Item Name Code
INC 22534
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
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DLMS® Summary

National Stock Number 4320-00-212-9186

National Stock Number (NSN) 4320-00-212-9186, or NIIN 002129186, (ring,wearing) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 30 manufacturer part numbers associated with this NSN. 29 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, there are no suppliers listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 22534. [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.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4320002129186 contains an unknown precious metal.

This NSN is associated to Schedule B 8413919520: parts, nesoi, of pumps for liquids. The Schedule B End Use is listed as industrial engines. NAICS classification category 333911: pump and pumping equipment manufacturing.

This information was last updated on .


Technical Characteristics

END TO FLANGE DISTANCE
(AJFM) ANY ACCEPTABLE
BODY INSIDE DIAMETER
(ADAS) 4.750 INCHES NOMINAL
BODY OUTSIDE DIAMETER
(ADAR) 5.360 INCHES NOMINAL
BODY STYLE
(AAQL) EXTERNAL LOCKING FLANGE
CORNER SHAPE
(BZLX) SQUARE ALL CORNERS
DISTANCE BELOW CENTERLINE
(AYRM) 0.062 INCHES NOMINAL
LARGEST EXTERNAL ANCHOR FLANGE RADIUS
(AYRL) 3.125 INCHES NOMINAL
OVERALL LENGTH
(ABHP) 1.125 INCHES NOMINAL
MATERIAL
(MATT) COPPER ALLOY
SMALLEST EXTERNAL ANCHOR FLANGE RADIUS
(AYRK) 2.219 INCHES NOMINAL
CENTER FLANGE THICKNESS
(AYRJ) ANY ACCEPTABLE
ANCHOR FLANGE WIDTH
(AYRT) ANY ACCEPTABLE
III MATERIAL
(MATT) COPPER ALLOY

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