National Stock Number
5220-01-674-0121
National Stock Number (NSN) 5220-01-674-0121, or NIIN 016740121, (gage,firing pin protrusion) was assigned July 10, 2018 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.
There are 3 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, 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) 52775. [A PRECISION MACHINED METAL DEVICE USED TO DETERMINE IF A FIRING PIN IS PROTRUDING A REQUIRED DISTANCE FROM THE BOLT FACE OF A WEAPON. THE GAGE MAY BE OF VARIOUS CONFIGURATIONS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5220016740121 does not contain precious metals.
This NSN is associated to Schedule B 9017800000: other instruments for measuring length, nesoi. The Schedule B End Use is listed as photo, service industry machinery.
This information was last updated on Aug 01, 2025.