STD-587 Lycoming NUT-.5625-18 X .16 THICK

Engine Configurations C125 -1, -2 C145 -2, -2H, -2HP C75 -8, -8F, -8FH, -8FHJ, -8FJ, -8J, -12, -12F, -12FH, -12FHJ, -12FJ, -12J, -12B, -12BF, -12BFH, -15, -15F C85 -8, -8F, -8FHJ, -8J, -12, -12F, -12FH, -12FHJ, -12FJ, -12J, -14F, -15, -15F C90 -8F, -8FJ, -12F, -12FH, -12FJ, -12FP, -14F, -14FH, -14FJ, -16F E-165 -2, -3, -4 E-185 -1, -2, -3, -5, -8, -9, -10, -11 E-225 -2, -4, -8, -9 GO-300 -A, -B, -C, -D, -E, -F GTSIO-520 -C, -D, -E, -F, -H, -K, -L, -M, -N IO-240 -A, -B IO-346 -A, -B IO-360 -A, -AB, -AF, -B, -C, -CB, -D, -DB, -E, -ES, -G, -GB, -H, -HB, -J, -JB, -K, -KB IO-470 -A, -C, -D, -E, -F, -G, -H, -J, -K, -L, -LO, -M, -N, -P, -R, -S, -T, -U, -V, -VO IO-520 -A, -B, -BA, -BB, -C, -CB, -D, -E, -F, -J, -K, -L, -M, -MB, -N, -NB, -P IO-550 -A, -B, -C, -D, -E, -F, -G, -L, -N, -P, -R IOF-240 -B IOF-550 -B, -C, -D, -E, -F, -L, -N, -P, -R LIO-470 -A LIO-520 -P LTSIO-360 -E, -EB, -KB, -RB LTSIO-520 -AE O-200 -A, -B, -C, -D, -X O-300 -A, -B,C, -D, -E O-470 -A, -B, -BCI, -E, -G, -GCI, -H, -J, -K, -KCI, -L, -LCI, -M, -MCI, -N, -P, -R, -S, -T, -U TSIO-360 -A, -AB, -B, -BB, -C, -CB, -D, -DB, -E, -EB, -F, -FB, -G, -GB, -H, -HB, -JB, -KB, -LB, -MB, -NB, -PB, -RB, -SB TSIO-470 -B, -C, -D TSIO-520 -A, -AE, -AF, -B, -BB, -BE, -C, -CE, -D, -DB, -E, -EB, -G, -H, -J, -JB, -K, -KB, -L, -LB, -M, -N, -NB, -P, -R, -T, -U, -UB, -VB, -WB TSIO-550 -A, -B, -C, -E, -G, -K, -N TSIOF-550 -D, -J, -K TSIOL-550 -A, -B, -C