National Stock Number
4320-01-288-7171
National Stock Number (NSN) 4320-01-288-7171, or NIIN 012887171, (sleeve,shaft,pump) was assigned November 13, 1988 in the Federal Logistics Information System (FLIS). NIIN 012887171 was cancelled on November 2, 2013, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4320013024398. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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. ISO Group has several sources of supply for this NSN.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 01, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 61082. [A TUBULAR SHAPED METALLIC ITEM DESIGNED TO PROVIDE A REPLACEABLE WEARING SURFACE FOR A CENTRIFUGAL PUMP SHAFT. SEE ALSO BEARING, SLEEVE; BUSHING, SLEEVE; AND SPACER, SLEEVE.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4320012887171 does not contain precious metals.
This information was last updated on Jul 01, 2025.