National Stock Number (NSN) 6685-00-331-8141, or NIIN 003318141, (gage,pressure,dial indicating) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 3 stock numbers: 6685006186697, 6685005143701, 6685000382639.
There are 5 manufacturer part numbers associated with this NSN. 4 of those 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, 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 somewhat common among different platforms, belonging to 4 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on May 19, 2008, 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 data needed to produce this item from additional sources is not physically available. Valid AMCs: 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 07428. [AN INSTRUMENT DESIGNED TO MEASURE AIR, GAS, FLUID, AND VAPOR PRESSURE BY MEANS OF AN INTERNAL PRESSURE SENSITIVE ELEMENT (BELLOWS, BOURDON TUBE, TRANSDUCER/TRANSMITTER AND THE LIKE) WHICH TRANSMITS ENERGY, BY DIRECT LINKAGE, TO THE INDICATING POINTER OF A SCALE OR A DIGITAL DISPLAY, CALIBRATED IN UNITS OF PRESSURE. IT MAY INCLUDE A TEMPERATURE EQUIVALENT SCALE. FOR ITEMS THAT DO NOT HAVE AN INTERNAL PRESSURE SENSITIVE ELEMENT SEE INDICATOR, PRESSURE.]. 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 6685003318141 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 Jul 01, 2025.