5340-01-193-2950 (PC1R F8278PC1R)
5340-01-193-2950 is equivalent to manufacture part number 423013. It is a helical compression spring seat and is classified under Federal Supply Class 5340 (5340 - Commercial Hardware), stocked for defense, aerospace, MRO, and industrial maintenance applications. This item is cataloged in the NATO supply system under 5340 - Commercial Hardware and is available through NSN-PARTS for U.S. government MRO, and commercial procurement.