National Stock Number (NSN) 6685-00-051-8653, or NIIN 000518653, (gage,pressure,dial indicating) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 6685010647202, 6685006349035.
There are 9 manufacturer part numbers associated with this NSN. 4 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 4 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 is actively being procured by the US Government, with procurement history within the last 90 days. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 3 different suppliers. The last contract numbers awarded were: SPE4A525V1819, SPM4A510ME334, SPM4A510ME334, SPM4A507M3724, SPM4A507M3724. The total value of the awarded contracts has been US$ 4,456.69.
This NSN is very common among different weapons systems, belonging to 29 different platforms.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 740. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, 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) 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 6685000518653 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.