Used on mk88 mod 1 gun mount, 25mm. ring, lock fits onto electricl connector p/n 12524635-2, which is on cable assembly p/n 7244756 cadmium or zinc surface treated
Used on 5420-01-430-5403, m-1 abrams tank. 2b single mounting facility thread class 4.125" overall length 4.125" overall width 20 single mounting facility thread quantity per inch is tan in color paint surface treated cylindrical w/locking device unc single mounting facility thread series
Used on CASS. 2a thread class right-hand 3.130" overall length 2.110" overall width 18 thread quantity per inch is 1000 hour salt spray resistant unef thread series