National Stock Number
6685-01-100-1421
National Stock Number (NSN) 6685-01-100-1421, or NIIN 011001421, (manometer assembly) was assigned August 28, 1980 in the Federal Logistics Information System (FLIS). NIIN 011001421 was cancelled on April 30, 2010, 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 is only one manufacturer part number associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, there are no suppliers 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) 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.]. 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 6685011001421 does not contain precious metals.
This information was last updated on Jun 01, 2025.