National Stock Number (NSN) 5340-00-225-0491, or NIIN 002250491, (clamp,synchro) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts.
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 10 contracts issued for this part number, with 10 awards given. There is moderate competition for this NSN. The US Government has awarded contracts to 6 different suppliers. The last contract numbers awarded were: SPE4A624FCPM6, SPE4A624FCPM6, SPE5E818V4433, SPE5EJ18V1507, SPE4A417V0919. The total value of the awarded contracts has been US$ 43,293.73.
This NSN is somewhat common among different platforms, belonging to 2 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$ 7,842. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 04, 2017, 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) 40268. [A CLAMP DESIGNED TO HOLD AN ITEM IN POSITION, ALIGNMENT OR IN CLOSE PROXIMITY BY RIGIDLY GRIPPING THE PROJECTING RIM, RIDGE, COLLAR OR EDGE OF THE ITEM. A LOCKWASHER, BOLT, SCREW OR THE LIKE MAY BE A PART OF THE ITEM OF SUPPLY.]. 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 5340002250491 contains an unknown precious metal.
This NSN is associated to Schedule B 8205700090: clamps and similar handtools, not vises, and parts. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Jul 01, 2025.