National Stock Number
4730-00-437-0057
National Stock Number (NSN) 4730-00-437-0057, or NIIN 004370057, (clamp,repair,pipe) was assigned August 29, 1969 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730013248533.
There are 7 manufacturer part numbers associated with this NSN. 3 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 6 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little 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 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) 05071. [A ONE-PIECE OR TWO-PIECE METAL CLAMP GENERALLY USED WITH GASKET(S) AND DESIGNED TO REPAIR LONGITUDINAL SPLITS AND PIT HOLES AND/OR TO SUPPORT THIN WALLS IN A STRAIGHT RUN OF PIPE. SEE ALSO CLAMP, LEAK REPAIR, PIPE COUPLING.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4730004370057 contains an unknown precious metal.
This information was last updated on Aug 01, 2025.