National Stock Number
4330-01-632-2375
National Stock Number (NSN) 4330-01-632-2375, or NIIN 016322375, (pneumatic muffler,exhaust-intake) was assigned October 14, 2014 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. One of those 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) 37112. [A NOISE CONTROL/FILTERING DEVICE OF VARIOUS SIZES, SHAPES, DESIGNS, MATERIALS (METALLIC/NON-METALLIC) AND VARIED MOUNTING CONFIGURATIONS USED TO DIFFUSE AIR BLASTS, LOWERS AIR VELOCITY, REDUCE NOISE, FILTRATION OF AIRBORNE MOISTURE AND/OR DUST CONTAMINATION, PRESSURE EQUALIZATION, SPEED CONTROL FOR AIR OPERATED DEVICES. FOR VEHICULAR APPLICATION SEE MUFFLER, (AS MODIFIED).]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4330016322375 does not contain precious metals.
This information was last updated on Jun 01, 2025.