National Stock Number
4730-00-201-8421
National Stock Number (NSN) 4730-00-201-8421, or NIIN 002018421, (clamp,repair,pipe) was assigned April 6, 1973 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4730002515908.
There are 3 manufacturer part numbers associated with this NSN. None of the associated 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2005, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 4730002018421 contains an unknown precious metal.
This NSN is associated to Schedule B 7307290000: stainless steel tube or pipe fittings nesoi. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Jul 01, 2025.