National Stock Number (NSN) 4730-00-221-2128, or NIIN 002212128, (cap,tube) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 4 stock numbers: 4730002785426, 4730003021792, 4730002789402, 4730004332689.
There are 9 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 15 suppliers. Today, 12 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 14 sources of supply.
This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of Jan 12, 2019. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE5E119F0602, SPM7M312M2004, SPM7M312M2004, SPM7M312M2004, SPM7M312M2004. The total value of the awarded contracts has been US$ 10,878.80.
This NSN is very common among different weapons systems, belonging to 62 different platforms.
There has been a small amount of 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 Sep 12, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.
This NSN is assigned to Item Name Code (INC) 06074. [A TUBE FITTING PRIMARILY DESIGNED FOR PERMANENT INSTALLATION DURING TUBING SYSTEM OPERATION TO FIT OVER OR BUTT AGAINST A TUBE OR FITTING FOR SEALING. SEE ALSO CAP, PROTECTIVE, DUST AND MOISTURE SEAL AND CAP-PLUG, PROTECTIVE, DUST AND MOISTURE SEAL.]. This item does not have a nuclear hardened feature but does have other critical feature(s) 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 4730002212128 does not contain precious metals.
This NSN is associated to Schedule B 7609000000: aluminum tube or pipe fittings (couplings,elbows sleeves). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332919: other metal valve and pipe fitting manufacturing.
This information was last updated on Jul 01, 2025.