National Stock Number
4240-01-386-0321
National Stock Number (NSN) 4240-01-386-0321, or NIIN 013860321, (lens,facepiece,chemical-biological mask) was assigned January 26, 1994 in the Federal Logistics Information System (FLIS). NIIN 013860321 was cancelled on September 2, 2002, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 4240013860270. 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 one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that 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) 46314. [A TRANSPARENT/TRANSLUCENT ITEM TO PROVIDE ADEQUATE VISION AND PROTECTION TO THE WEARER FROM ENVIRONMENTAL HAZARDS, INCLUDING MILITARY CHEMICALS. MAY BE USED WITH AIR PURIFYING HALF OR FULL FACE RESPIRATOR MASKS OR WITH POSITIVE PRESSURE AND SELF-CONTAINED BREATHING APPARATUS (SCBA).]. 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 4240013860321 does not contain precious metals.
This information was last updated on Jul 01, 2025.