National Stock Number
5120-01-173-7091
National Stock Number (NSN) 5120-01-173-7091, or NIIN 011737091, (compressor,piston ring) was assigned March 8, 1984 in the Federal Logistics Information System (FLIS). NIIN 011737091 was cancelled on December 15, 2017, 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 no manufacturer part numbers associated to this NSN.
This part number has not been procured by the US Government in over 5 years.
There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries.
This NSN is assigned to Item Name Code (INC) 05576. [A HAND HELD, HAND OPERATED DEVICE DESIGNED TO COMPRESS ONE OR MORE PISTON RINGS INTO PISTON GROOVES FOR INSTALLATION INTO A CYLINDER.]. 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 5120011737091 does not contain precious metals.
This information was last updated on Aug 01, 2025.