National Stock Number
6685-00-463-7519
National Stock Number (NSN) 6685-00-463-7519, or NIIN 004637519, (altimeter,dual pressure,pressuri) 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 3 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, 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.
Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2013, this NSN's acquisition method was noted as: Not established. Not established.
This NSN is assigned to Item Name Code (INC) 03385. [A BAROMETRIC TYPE INSTRUMENT SPECIFICALLY DESIGNED FOR USE IN A PRESSURIZED COMPARTMENT OF AN AIRCRAFT TO PROVIDE AN INDICATION OF PRESSURE WITHIN THE COMPARTMENT, PRESSURE EXISTING OUTSIDE THE COMPARTMENT AND THE DIFFERENTIAL PRESSURE EXISTING BETWEEN THE TWO, IN FEET OF ALTITUDE.]. 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 6685004637519 does not contain precious metals.
This NSN is associated to Schedule B 9025801500: barometers, not combined with other instruments, nesoi. The Schedule B End Use is listed as medicinal equipment. NAICS classification category 334519: other measuring and controlling device manufacturing.
This information was last updated on Aug 01, 2025.