National Stock Number
6640-00-063-6258
National Stock Number (NSN) 6640-00-063-6258, or NIIN 000636258, (clamp,tubing,regulating-shutoff) was assigned January 1, 1963 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. One of those 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, 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.
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 6640000636258 contains an unknown precious metal.
This information was last updated on Jul 01, 2026.