National Stock Number
4220-01-212-8251
National Stock Number (NSN) 4220-01-212-8251, or NIIN 012128251, (cylinder assembly,air,diving equipment) has an unknown assigned date. NIIN 012128251 was cancelled on September 18, 1999, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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.
This NSN is assigned to Item Name Code (INC) 20279. [AN ASSEMBLY CONSISTING OF AT LEAST TWO AIR CYLINDERS, METAL BAND ASSEMBLY(IES) TO SECURE THE CYLINDERS TO ONE ANOTHER, AND A MANIFOLD TO UNITE THEIR AIR SUPPLIES. MAY INCLUDE HARNESS ASSEMBLY AND PULL ROD. DOES NOT INCLUDE BREATHING DEVICES. FOR COMPLETE UNDERWATER BREATHING APPARATUS, SEE DIVING EQUIPMENT SET.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220012128251 does not contain precious metals.
This information was last updated on May 01, 2025.