2a single mounting facility thread class 0.250" single mounting facility thread length 2.187" overall length 1.969" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 2.563" overall length 1.312" overall width circular wafer, bushing mount unef single mounting facility thread series
2a thread class left-hand 1.250" overall length 0.390" overall width 56 thread quantity per inch the following contacts are shorted together; letter a to b, c to d, e to f, h to j, k to l, m to n, p to r, s to t, u to v, aa to ee, ee to kk, dd to jj, jj to nn unc thread series