National Stock Number
4010-00-191-0091
National Stock Number (NSN) 4010-00-191-0091, or NIIN 001910091, (link,chain,connecting) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 4010012633575, 4010008147716, 4010001054235, 4010005806815, 4010002830919.
There are 12 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts. ISO Group has built a very strong supply chain for this NSN. We have direct relationships with 26 sources of supply.
This part number has not been procured by the US Government in over 5 years.
This NSN is unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 01, 2020, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 02620. [A METAL ITEM IN TWO HALVES IN THE SHAPE OF A LETTER C WHICH ARE FIXED TOGETHER PERMANENTLY BY PLACING THE TWO HALVES TOGETHER AND PEENING OVER THE PINS WHICH ARE AN INTEGRAL PART OF THE ITEM. EXCLUDES:LINK, ROLLER CHAIN.]. 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 4010001910091 does not contain precious metals.
This NSN is associated to Schedule B 8487900080: machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers. The Schedule B End Use is listed as industrial machines, other. NAICS classification category 333999: all other miscellaneous general purpose machinery manufacturing.
This information was last updated on Jul 01, 2025.