National Stock Number
5360-01-521-3101
National Stock Number (NSN) 5360-01-521-3101, or NIIN 015213101, (spring,spiral,torsion) was assigned June 17, 2004 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 not been procured by the US Government in over a year. There have been 14 contracts issued for this part number, with 14 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE7L122V9610, SPE5EJ17V5527, SPE5EJ17V2823, SPE5EJ17V2133, SPE5E017V1274. The total value of the awarded contracts has been US$ 1,248.06.
This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.
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 Jan 04, 2012, this NSN's acquisition method was noted as: Acquire, for the first time, directly from the actual manufacturer rather than the prime contractor who is not 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) 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 5360015213101 does not contain precious metals.
This information was last updated on Jul 01, 2025.