National Stock Number (NSN) 5340-00-701-4143, or NIIN 007014143, (retainer,helical compression spr) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers 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. ISO Group has several sources of supply for this NSN.
This part number is actively being procured by the US Government, with procurement history within the last 90 days. There have been 11 contracts issued for this part number, with 13 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A125F0760, SPE4A525P1783, SPE4A525F2311, SPE4A624F260C, SPE4A624F107U. The total value of the awarded contracts has been US$ 73,725.36.
This NSN is somewhat common among different platforms, belonging to 5 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. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 4,572. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Feb 21, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
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 5340007014143 contains an unknown precious metal.
This NSN is associated to Schedule B 7606126000: aluminum plates sheets and strip rectangular (including square)alloy clad ovr 0.2 mm thick. The Schedule B End Use is listed as aluminum and alumina. NAICS classification category 331315: aluminum sheet, plate, and foil manufacturing.
This information was last updated on May 01, 2025.