National Stock Number (NSN) 6685-00-845-2190, or NIIN 008452190, (gage,vacuum,indicating) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 6 stock numbers. Five of the National Stock Numbers that it replaces are: 6685005144359, 6685010896428, 6685010314547, 6685002703278, 6685005534732.
There are 16 manufacturer part numbers associated with this NSN. 7 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.
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 6 different weapons systems.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 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. 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) 40097. [AN ITEM DESIGNED TO MEASURE THE VACUUM BY MEANS OF A PRESSURE SENSITIVE ELEMENT. THE VACUUM IS INDICATED MECHANICALLY OR DIGITALLY.]. 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 6685008452190 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.