National Stock Number
                                            5220-01-215-6717
                                    
                                
                            
                            
                                National Stock Number (NSN) 5220-01-215-6717, or NIIN 012156717, (gage,comparator,air) was assigned August 29, 1985 in the Federal Logistics Information System (FLIS).  NIIN 012156717 was cancelled on August 24, 2011, 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, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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) 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.]. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5220012156717 does not contain precious metals. 
This information was last updated on Aug 01, 2025.