5306-00-741-2853 (2194511)
NSN 5306-00-741-2853 (NIIN 00-741-2853) is a machine bolt in Federal Supply Class 5306, Bolts — an externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. Manufacturer part number 2194511 (General Motors LLC, CAGE 7X677); also referenced as 7412853 (U S Army Tank Automotive Command).
Key specs: finished head; full characteristics table below. NIIN assigned January 1963; DEMIL A (none required).