National Stock Number
4420-01-218-7686
National Stock Number (NSN) 4420-01-218-7686, or NIIN 012187686, (bonnet,fluid cooler,industrial) has an unknown assigned date. NIIN 012187686 was cancelled on September 19, 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) 37495. [AN ITEM DESIGNED TO BE ATTACHED TO A SHELL, FLUID COOLER, INDUSTRIAL TO PROVIDE DIRECTION OF FLOW WITH MINIMUM IMPACT ON TUBE ENDS AND TUBE SHEET, FLUID COOLER, INDUSTRIAL AND PROVIDE ACCESS TO TUBES WITHOUT REMOVAL OF PIPING.]. This item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4420012187686 does not contain precious metals.
This information was last updated on May 01, 2025.