National Stock Number
5220-01-218-9185
National Stock Number (NSN) 5220-01-218-9185, or NIIN 012189185, (gage,comparator,air) was assigned October 20, 1985 in the Federal Logistics Information System (FLIS). NIIN 012189185 was cancelled on February 2, 2014, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 6685012406680. 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 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 unique to one weapons system.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 06, 2020, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.
This NSN is assigned to Item Name Code (INC) 34715. [A GAGE DESIGNED TO COMPARE DIMENSIONAL CHARACTERISTICS BY INDICATING A DIFFERENCE IN AIR FLOW. THE GAGE IS CONNECTED TO AN EXTERNAL AIR SUPPLY, THE PRESSURE IS REGULATED AND RELEASED BETWEEN A GAGING MEMBER AND THE ITEM BEING CHECKED. A VARIATION IN SIZE, OR A DIFFERENCE IN SIZE FROM A MASTER, WILL BE INDICATED BY A DIFFERENCE IN AIR FLOW. IT CONSISTS OF A GAGING MEMBER, COMPARATOR, AIR PLUG, AN INDICATOR, AND MAY INCLUDE A PRESSURE REGULATOR. EXCLUDES:GAGE, AIR FLOW, METALIZING; GAGE, SMALL HOLE; AND GAGE SET, SMALL HOLE.]. The item is a non-aviation Critical Safety Item (CSI) whose failure will result in serious damage to equipment or serious injury or death to personnel. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5220012189185 does not contain precious metals.
This information was last updated on May 01, 2025.