National Stock Number
4810-01-218-2558
National Stock Number (NSN) 4810-01-218-2558, or NIIN 012182558, (indicator,valve opening) was assigned October 9, 1985 in the Federal Logistics Information System (FLIS). NIIN 012182558 was cancelled on March 2, 2003, with a cancelled status of "Item is Cancelled WITHOUT Replacement." There is no known replacement specified for this stock number. This NSN replaces 1 stock number, 4810010735556.
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 one supplier. 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) 37043. [AN ITEM SPECIFICALLY DESIGNED TO SHOW THE OPEN, INTERMEDIATE, AND CLOSED DISK RELATIONSHIP TO THE VALVE SEAT. IT MAY BE OF VARIOUS SHAPES, SIZES, AND MECHANICAL DESIGNS SUCH AS GLASS TUBE, NEEDLE AND SLOT. EXCLUDES INDICATOR (1), POSITION; GLASS, LIQUID SIGHT INDICATOR, FLAT.]. 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 data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 4810012182558 does not contain precious metals.
This information was last updated on May 01, 2025.