National Stock Number
4220-00-541-7397
National Stock Number (NSN) 4220-00-541-7397, or NIIN 005417397, (diving equipment set) was assigned January 1, 1956 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 4220009106033.
There are 5 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 14, 2002, 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) 20280. [A GROUP OF ITEMS CONSISTING OF ALL NECESSARY EQUIPMENT TO MAINTAIN ONE OR MORE DIVERS UNDER WATER.]. 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 4220005417397 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 Aug 01, 2025.