National Stock Number
3835-01-225-6135
National Stock Number (NSN) 3835-01-225-6135, or NIIN 012256135, (casing ring,well drilling) was assigned February 5, 1986 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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, 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 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 Sep 30, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 05752. [AN ITEM, USUALLY IN THE FORM OF A HOLLOW TRUNCATED CONE, WITH A PROJECTION OR EAR AT OPPOSITE SIDES IN WHICH BOLTS ARE INSERTED FOR FASTENING TO AN UNLIKE ITEM, OR FROM WHICH HANDLES ARE SUPPORTED FOR HANDLING. THE ITEM IS USED WITH WEDGES AND/OR A BUSHING, TO SUSPEND OR RETAIN A CASING OR PIPE IN A WELL HOLE.]. 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 3835012256135 does not contain precious metals.
This NSN is associated to Schedule B 7306901000: other tubes, pipes and hollow profiles nesoi, of iron or nonalloy steel. The Schedule B End Use is listed as iron and steel products, other.
This information was last updated on Aug 01, 2025.