National Stock Number (NSN) 5340-00-664-3774, or NIIN 006643774, (clamp,loop) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5340005843698, 5340005308751.
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. ISO Group has several sources of supply for this NSN.
This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 19 contracts issued for this part number, with 19 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 9 different suppliers. The last contract numbers awarded were: SPE4A025P1312, SPE7L125P6771, SPE7L124P9352, SPE7L124P8298, SPE5E719V4363. The total value of the awarded contracts has been US$ 220,518.22.
This NSN is fairly common among different weapons systems, belonging to 12 different platforms.
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 Jun 12, 2014, 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 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) 17532. [A CLAMP DESIGNED TO SURROUND OTHER ITEM(S) SUCH AS CABLE(S), CONDUIT(S), PIPE(S), HOSE(S), OR TUBE(S), AND TO FASTEN TOGETHER OR TO ANOTHER OBJECT OR STRUCTURE. INCLUDES STRAIGHT FLEXIBLE ITEMS. FOR ITEMS SPECIFICALLY DESIGNED TO CLAMP A HOSE TO A CONNECTION TO PREVENT LEAKAGE, SEE CLAMP, HOSE. SEE ALSO HANGER, PIPE AND CLIP, SPRING TENSION. FOR RETAINING STRAPS WITH A BRIDGE, SEE STRAP, RETAINING. EXCLUDES:CLAMP, ELECTRICAL; BAND, RETAINING; CLAMP (1), C; BRACKET PIPE.]. 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 5340006643774 contains an unknown precious metal.
This NSN is associated to Schedule B 7326190000: other articles of iron or steel forged or stamped, but not further worked, nesoi. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332999: all other miscellaneous fabricated metal product manufacturing.
This information was last updated on Aug 01, 2025.