National Stock Number (NSN) 5340-00-663-0041, or NIIN 006630041, (fastener,cylinder,spring loaded) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 2590001142848.
There are 4 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. 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 5 years.
This NSN is unique to one weapons system.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 20242. [A POSITIVE LOCKING DEVICE CONSISTING OF A SPRING LOADED CYLINDER AND PLUNGER. ONE END HAS A HANDLE WITH AN EYE, HOOK, BAR, OR THE LIKE, FOR FASTENING TO THE ITEM TO BE RETAINED. THE OPPOSITE END USUALLY HAS A PLATE, BRACKET, STUD, HOOK, OR THE LIKE, FOR FASTENING TO A STRUCTURE. IT MAY BE FURNISHED WITH A CATCH.]. 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 5340006630041 contains an unknown precious metal.
This NSN is associated to Schedule B 8301600000: parts of locks, base metal. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332510: hardware manufacturing.
This information was last updated on Aug 01, 2025.