National Stock Number
4220-01-412-8312
National Stock Number (NSN) 4220-01-412-8312, or NIIN 014128312, (bit,mouthpiece,breathing apparat) was assigned April 28, 1995 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 2 manufacturer part numbers associated with this NSN. One of those 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, 2 suppliers are deemed design controlled or valid supply parts.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 15, 2002, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. Acquisition of this part is restricted to source(s) specified on "Source Control", "Altered Item" or "Selected Item" drawings/documents. Valid AMCs: 1, 2, 3, 4 and 5.
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.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4220014128312 does not contain precious metals.
This information was last updated on Jul 01, 2025.