National Stock Number
4220-01-598-6099
National Stock Number (NSN) 4220-01-598-6099, or NIIN 015986099, (base,diffuser,air supply) was assigned August 16, 2011 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There is only one manufacturer part number associated with this NSN. None of the associated 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Aug 17, 2011, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 39121. [A CORROSION RESISTANT METALLIC/NONMETALLIC ITEM FABRICATED FROM A SINGLE INTERNALLY CORED CASTING WITH ONE END THREADED OR TWO OR MORE SEPARATE PIECES WITH EACH END THREADED. IT IS SPECIFICALLY DESIGNED TO ENCLOSE, SUPPORT AND PROTECT A DIFFUSER, AIR SUPPLY, OR ITS COMPONENT PARTS.]. 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 4220015986099 does not contain precious metals.
This information was last updated on Aug 01, 2025.