National Stock Number (NSN) 6685-00-044-2321, or NIIN 000442321, (gage,receiver pressure,pneumatic) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 8 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 suppliers are listed as Active suppliers 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 fairly common among different weapons systems, belonging to 12 different platforms.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 27, 2011, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government does not have adequate data, lacks rights to data, or both, needed to purchase this part from additional sources. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 31824. [AN INSTRUMENT DESIGNED TO BE USED IN CONJUNCTION WITH A PNEUMATIC TRANSMITTER TO INDICATE PRESSURE TEMPERATURE, OR ANY OTHER INFORMATION THAT CAN BE TRANSMITTED FROM AN EXTERNAL POINT BY PROPORTIONAL VARIATIONS IN PRESSURE. THE DIAL IS GRADUATED IN TERMS OF ACTUAL TRANSMITTER RANGE. THE INSTRUMENT SENSING ELEMENT OPERATES ON TRANSMITTED LOW PRESSURES. EXCLUDES:GAGE, DIFFERENTIAL, DIAL INDICATING; GAGE, PRESSURE, DIAL INDICATING; GAGE, PRESSURE, DIAL INDICATING, ARBITRARY SCALE; THERMOMETER, INDICATING, CAPILLARY TUBE AND BULB; AND THERMOMETER, RECORDING, CAPILLARY TUBE AND BULB.]. 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 6685000442321 does not contain precious metals.
This NSN is associated to Schedule B 9026200000: instruments and apparatus for measuring or checking pressure. The Schedule B End Use is listed as measuring, testing, control instruments. NAICS classification category 334513: instruments and related products manufacturing for measuring, displaying, and controlling industrial process variables.
This information was last updated on Aug 01, 2025.