National Stock Number (NSN) 5360-01-227-3526, or NIIN 012273526, (spring,spiral,torsion) was assigned March 3, 1986 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are 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 12 contracts issued for this part number, with 12 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 7 different suppliers. The last contract numbers awarded were: SPE7L125F4484, SPE5EK18P2131, SPE5EK16V4952, SPE5EK16V4952, SPE5EK16V1642. The total value of the awarded contracts has been US$ 283,019.01.
This NSN is unique to one weapons system.
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 Nov 21, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 04229. [A SPRING CONSISTING OF A LENGTH OF MATERIAL WOUND ON ITSELF IN THE FORM OF A SPIRAL, FINISHED AT THE ENDS AND DESIGNED TO EXERT PRESSURE IN A ROTATING DIRECTION AROUND THE SPRING AXIS. THE MATERIAL MAY BE OF VARIOUS CROSS-SECTIONAL SHAPES SUCH AS ROUND OR RECTANGULAR. EXCLUDES:SPRINGS DESIGNED FOR THERMAL ACTUATION (SPRINGS IN WHICH THE TORSION FORCES ARE DESIGNED TO BE COUNTERACTED BY CHANGES IN TEMPERATURE).]. 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 5360012273526 does not contain precious metals.
This NSN is associated to Schedule B 7318290000: other non-threaded articles (fasteners) of iron or steel, nesoi. 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 Aug 01, 2025.