National Stock Number
5340-01-128-5720
National Stock Number (NSN) 5340-01-128-5720, or NIIN 011285720, (retainer,helical compression spr) was assigned March 25, 1982 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5340011203039.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Oct 31, 2019. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE5EK20V0636, SPE5EK19V5760, SPE5EK18V2718. The total value of the awarded contracts has been US$ 1,065.00.
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 May 03, 2011, 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) 24327. [A CYLINDRICAL ITEM SPECIFICALLY DESIGNED TO FIT OVER THE END OF AND COMPLETELY ENCASE THE SPRING. THE OPEN END IS USUALLY FLANGED; THE OPPOSITE END MAY BE CLOSED OR HAVE AN ORIFICE TO ACCOMMODATE A GUIDE, PLUNGER, OR THE LIKE. IT IS USED TO POSITION THE SPRING AND RESTRAIN LATERAL MOTION. IT MAY PROVIDE A SEAT FOR THE SPRING. EXCLUDES:HOLDER,SPRING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 5340011285720 does not contain precious metals.
This information was last updated on Aug 01, 2025.