National Stock Number
6685-00-991-4524
National Stock Number (NSN) 6685-00-991-4524, or NIIN 009914524, (manometer assembly) was assigned January 1, 1962 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 6685009741222.
There are 2 manufacturer part numbers associated with this NSN. 2 of those 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, 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 assigned to Item Name Code (INC) 61990. [TWO OR MORE MANOMETERS MOUNTED ON A PANEL WITH CONNECTIONS TO A FILTER UNIT AND/OR PROTECTIVE SHELTER, THE PRINCIPAL PURPOSE OF WHICH IS TO MONITOR AIR PRESURE(S), PRESSURE DIFFERENTIAL AND FLOW RATE OF THE SYSTEM. IT MAY INCLUDE MOUNTING HARDWARE, INSTRUCTION PLATE, VALVES, AND FILTERS.]. 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 6685009914524 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.