18-27 (430) 18-27.4 " (32) 18-27.5 mm (2) 18-27/32" (3) 18-270 (1) 18-272 (4) 18-275 (12) 18-276 (1) 18-276-302-20-r (1) 18-28 AWG (8) 18-28 VAC, 18-28 VDC (15) 18-28 VAC, 18-40 VDC (10) 18-28 VDC (6) 18-28 VDC (loop) (16) 18-281 (4) 18-286 (1) 18-289 (4) 18-29/32 Inch (1) 18-29/32" (3) 18-29/50 in (6) 18-29/64" (1) 18-292 (2) 18-297 (2) 18-298 (1) 18-2FL Classroom Securi. (1) 18-2P-PS3A (4) 18-2P-PS3A, Timing Pull. (2) 18-2P03-6CA3 (4) 18-2P03-6CA3, Timing Pu. (2) 18-2P03-6FA2 (4) 18-2P03-6FA2, Timing Pu. (2) 18-2P06-6FA2 (4) 18-2P06-6FA2, Timing Pu. (2) 18-3 (1280) 18-3/10 in (6) 18-3/16 in to 34 1/2 in (8) 18-3/16 x 18-1/2 x 20-1. (1) 18-3/16" (14) 18-3/4 </td (31) 18-3/4 Inch Length x 14. (2) 18-3/4 in (264) 18-3/4 in L x 2 in W x . (1) 18-3/4 in L x 2-3/4 in . (8) 18-3/4 in x 11 in x 5-1. (1) 18-3/4 in x 11 in x 7 in (1) 18-3/4 in x 14 in x 4-3. (1) 18-3/4 in x 18-11/16 in (3) 18-3/4 in x 21-1/2 in (2) 18-3/4" Dia. (4) 18-3/4" to 21-1/2" (1) 18-3/4" to 22-3/4" (1) 18-3/4" x 13-3/4" (2) 18-3/4" x 14-1/4" (1) 18-3/4" Shaft Dia;. (1) 18-3/4" Shaft Dia;. (1) 18-3/4″ (3) 18-3/4" (3) 18-3/4x11 IN (2) 18-3/4x19-3/4x1 (1) 18-3/4x24-3/4x1 (1) 18-3/4x25-3/4x1 (1) 18-3/4x27-3/4x1 (1) 18-3/4x27-3/4x2 (1) 18-3/4x28-3/4x1 (1) 18-3/4x37-3/4x1 (1) 18-3/8 Inch Slide Bar (2) 18-3/8 in (213) 18-3/8 in L x 5-1/2 in H (1) 18-3/8 in Left, 16 in R. (5) 18-3/8 in x 14-1/8 in x. (1) 18-3/8 in x 18-3/8 in (1) 18-3/8 in x 2-9/16 in (4) 18-3/8 inch x 19 inch x. (2) 18-3/8 x 19 x 39-1/16 (2) 18-3/8 x 28-5/8 x 29" (2) 18-3/8" (50) 18-3/8" (466.73mm) (3) 18-3/8" Dia. X 23-7/16"H (3) 18-3/8" to 18-7/8" (2) 18-3/8" x 14-5/8" (1) 18-3/8" (3) 18-3/8'' x 17-3/8'' (46. (9) 18-3/8? L x 32-5/8" W x. (1) 18-3/8x12-1/4 IN (1) 18-30 (500) 18-30 A (1) 18-30 AWG (23) 18-30 V (15) 18-30 V 280 mA overload. (1) 18-30 V DC SELV (1) 18-30 V dc/24 V ac (12) 18-30 VAC (5) 18-30 VAC, 18-30 VDC (1) 18-30 VAC, 18-42 VDC (5) 18-30 VAC, NEC Class II (3) 18-30 VDC (321) 18-30 VDC ; 24 VAC (5) 18-30 VDC, 20-30 VAC (1) 18-30 Volt AC (2) 18-301 (1)