National Stock Number (NSN) 4220-00-058-1609, or NIIN 000581609, (cylinder assembly,air,diving equ) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4220000336839.
There are 5 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 3 suppliers. Today, 2 suppliers are listed as Active suppliers 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 Jul 14, 2015. 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 3 different suppliers. The last contract numbers awarded were: SPE8EH15M0724, SPE8EH14M0202, SPM8EH11V0061. The total value of the awarded contracts has been US$ 108,432.85.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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) 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. Information is in the Hazardous Materials Information Resource System (HMIRS). NSN 4220000581609 does not contain precious metals.
This NSN is associated to Schedule B 7613000000: aluminum containers for compressed or liquefid gas. The Schedule B End Use is listed as materials handling equipment. NAICS classification category 332420: metal tank (heavy gauge) manufacturing.
This information was last updated on Jun 01, 2025.