National Stock Number
4240-01-342-1772
National Stock Number (NSN) 4240-01-342-1772, or NIIN 013421772, (cover,speaking diaphragm) was assigned July 16, 1991 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, with the most recent procurement date of Jul 07, 2014. There have been 3 contracts issued for this part number, with 14 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE8EJ14V0035, SPM8EJ13D0019, SPM8EJ13D0019, SPM8EJ13D0019, SPM8EJ13D0019. The total value of the awarded contracts has been US$ 1,403.15.
This NSN is somewhat common among different platforms, belonging to 3 different weapons systems.
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 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part is a commercial/non-developmental/off-the-shelf-item. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 38507. [AN ITEM MADE OF FLEXIBLE MATERIAL DESIGNED TO FIT AROUND AND PROTECT THE FACEPIECE SPEAKING DIAPHRAGM OF A MASK GAS.]. 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 4240013421772 does not contain precious metals.
This information was last updated on Jul 01, 2025.