National Stock Number (NSN) 5340-00-105-7840, or NIIN 001057840, (clamp,loop) was assigned July 3, 1968 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 2990004226618, 5340001978100, 2990004998609.
There are 4 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 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 very common among different weapons systems, belonging to 27 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 25, 2008, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The annual buy value of this part falls below the screening threshold of $10,000 but it has been screened for known source(s). (NOTE: This code shall not be used when screening parts entering the inventory. It shall not be assigned in preference to or supersede any other AMSC.) Valid AMCs: 1, 2, 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 5340001057840 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.