National Stock Number
4240-01-445-4740
National Stock Number (NSN) 4240-01-445-4740, or NIIN 014454740, (bit,mouthpiece,breathing apparat) was assigned June 3, 1997 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 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.
This NSN is assigned to Item Name Code (INC) 39123. [A CUSHIONLIKE DEVICE THAT IS CONTOUR-FITTED AROUND THE TEETH. IT IS SPECIFICALLY DESIGNED TO FIT BETWEEN THE TEETH AND THE BREATHING APPARATUS MOUTHPIECE TO PROVIDE A CONTROLLED SUPPLY OF BREATHING GAS SUCH AS AIR, OXYGEN, MIXTURE, AND THE LIKE, DURING DIVE AND/OR RESCUE.]. 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 4240014454740 does not contain precious metals.
This information was last updated on Jul 01, 2025.