National Stock Number
4220-01-214-8998
National Stock Number (NSN) 4220-01-214-8998, or NIIN 012148998, (cylinder assembly,air,diving equ) was assigned August 17, 1985 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, one supplier is listed as an Active supplier 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, with the most recent procurement date of Aug 11, 2016. There have been 3 contracts issued for this part number, with 3 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE8EH16V1122, SPE8EH14V1573, SPM8EJ11M0114. The total value of the awarded contracts has been US$ 45,781.00.
This NSN is somewhat common among different platforms, belonging to 8 different weapons systems.
There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 27,383. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 02, 2006, 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 rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.
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.]. 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 4220012148998 does not contain precious metals.
This information was last updated on Aug 01, 2025.