National Stock Number
5320-00-551-8000
National Stock Number (NSN) 5320-00-551-8000, or NIIN 005518000, (collar,pin-rivet) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5320007243821, 5320008078348.
There are 3 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 11 sources of supply.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Mar 17, 2017. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5E917PQ186. The total value of the awarded contracts has been US$ 42,165.80.
This NSN is very common among different weapons systems, belonging to 50 different platforms.
There has been a small amount of 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 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) 67166. [A SOFT METAL OR NONMETAL SLEEVE, DESIGNED TO MATE WITH A PIN-RIVET. IT MAY INCLUDE AN EXTERNAL WRENCHING FACILITY WHICH BREAKS OFF AT A PERDETERMINED TORQUE TO FORM A HEAD.]. This item is a Flight Safety Critical Aircraft Part (FSCAP). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5320005518000 contains an unknown precious metal.
This NSN is associated to Schedule B 7616103000: aluminum rivets. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.
This information was last updated on Jun 01, 2025.