National Stock Number (NSN) 3130-01-257-6317, or NIIN 012576317, (liner,bearing housing) was assigned June 21, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 261 contracts issued for this part number, with 195 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE4A625FC93P, SPE4A625FBQJK, SPE4A625FBSE1, SPE4A625FBSE4, SPE4A625FBSD7. The total value of the awarded contracts has been US$ 171,412.59.
This NSN is somewhat common among different platforms, belonging to 7 different weapons systems.
The 24 month forecast from the US Government for this part number has low volatility, with an estimated forecasted value of US$ 106,713. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, 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) 61786. [A RIGID TUBULAR ITEM WHICH FITS BETWEEN A BEARING AND ITS HOUSING, DESIGNED PRIMARILY AS A REPLACEABLE WEAR SURFACE WITHIN THE INNER WALL OF THE HOUSING.]. 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 3130012576317 does not contain precious metals.
This NSN is associated to Schedule B 8482991050: parts, except inner and outer races, for ball bearings, (including ball bearings with integral shafts). The Schedule B End Use is listed as industrial machines, other. NAICS classification category 332991: ball and roller bearing manufacturing.
This information was last updated on Aug 01, 2025.