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
1.546" overall length the following contacts are shorted together; i lower case to s lower case, j lower case to t lower case, m lower case to p lower case, n lower case to q lower case
