National Stock Number
6685-01-101-2578
National Stock Number (NSN) 6685-01-101-2578, or NIIN 011012578, (altimeter,dual pressure,pressurized compartment) was assigned September 25, 1980 in the Federal Logistics Information System (FLIS). NIIN 011012578 was cancelled on October 25, 2002, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. 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, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, there are no suppliers that are 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 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 critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input). 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 6685011012578 contains an unknown precious metal.
This information was last updated on May 01, 2025.