National Stock Number
6640-00-051-2737
National Stock Number (NSN) 6640-00-051-2737, or NIIN 000512737, (clamp,tubing,regulating-shutoff) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 1991, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 81028. [AN ITEM DESIGNED TO SURROUND A TUBE OF RUBBER, PLASTIC, OR OTHER FLEXIBLE MATERIAL. IT IS USED TO SQUEEZE OR TO COMPLETELY COMPRESS THE TUBE IN ORDER TO STOP AND/OR REGULATE LIQUID OR GAS FLOW IN THE TUBE.]. 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 6640000512737 does not contain precious metals.
This information was last updated on Jul 01, 2025.