National Stock Number
5340-01-729-0649
National Stock Number (NSN) 5340-01-729-0649, or NIIN 017290649, (retainer,helical compression spr) was assigned April 29, 2025 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 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 not been procured by the US Government in over 5 years.
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 5340017290649 does not contain precious metals.
This information was last updated on Aug 01, 2025.