National Stock Number
6685-01-668-4001
National Stock Number (NSN) 6685-01-668-4001, or NIIN 016684001, (transmitter,pressure) was assigned November 21, 2017 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. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 2 suppliers. Today, 2 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Nov 22, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 03375. [AN INSTRUMENT THAT SENSES, MEASURES AND CONVERTS PRESSURE OF A GAS OR FLUID INTO ELECTRICAL SIGNALS TO BE DISPLAYED IN POUNDS PER SQUARE INCH (PSI) OR THE EQUIVALENT. THE ITEM CONTAINS AN INPUT PRESSURE PORT, ELECTRICAL OUTPUT CONNECTION AND MAY INCLUDE AN OUTPUT PRESSURE PORT. SEE ALSO TRANSDUCER, MOTIONAL PICKUP FOR ITEMS WITH A LINEAR MOTIONAL INPUT AND ELECTRICAL OUTPUT TO BE DISPLAYED IN OTHER THAN PSI OR THE EQUIVALENT.]. 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 6685016684001 contains an unknown precious metal.
This NSN is associated to Schedule B 9026800000: instruments and apparatus for measuring or checking other variables of liquids or gases, nesoi. 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.