2a single threaded stud thread class 0.141" single threaded stud thread length 40 single threaded stud thread quantity per inch disc unc single threaded stud thread series
2a single threaded bushing thread class 0.750" single threaded bushing thread length 2.610" overall length 14 single threaded bushing thread quantity per inch cylindrical w/flange ptf-sae short single threaded bushing thread series
Used on aircraft cargo compartment. 2a single threaded bushing thread class 0.562" single threaded bushing thread length 5.125" overall length 1.187" overall width rectangular unf single threaded bushing thread series
3a single threaded bushing thread class 0.562" single threaded bushing thread length 3.120" overall length 32 single threaded bushing thread quantity per inch cylindrical w/flange un single threaded bushing thread series
3a all threaded stud thread class 0.190" all threaded stud thread length 40 all threaded stud thread quantity per inch disc unc all threaded stud thread series