National Stock Number
4240-01-655-6063
National Stock Number (NSN) 4240-01-655-6063, or NIIN 016556063, (cover,filter,respirator) was assigned June 2, 2016 in the Federal Logistics Information System (FLIS). This NSN does not replace any other NSNs.
There are 2 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, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 3 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
This NSN is assigned to Item Name Code (INC) 51142. [AN ITEM DESIGNED TO PROTECT A FILTER UNIT, GAS-PARTICULATE FROM PHYSICAL DAMAGE.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no information in the HMIRS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product. NSN 4240016556063 does not contain precious metals.
This information was last updated on Aug 01, 2025.