Conduit Size Calculator
Extra Flexible Convolution, Thin Wall Conduits
Similar to standard and extra flexible but having a thinner wall, it is to be specified only where MINIMUM WEIGHT is a prime requirement. EXAMPLES: Military fighter aircraft internal wiring systems, etc.
PART NUMBER MIL-T-81914 Identifier INT. DIA. MAX O/D Minimum Bend Rad. MAX. WT. (LBS./FT.)
* 5060 * A-000000 01 3/16 .320 5/16 .014
* 5090 * A-000000 02 9/32 .414 3/8 .016
* 5100 * A-000000 03 5/16 .450 3/8 .019
* 5120 * A-000000 04 3/8 .530 1/2 .020
* 5140 * A-000000 05 7/16 .590 1/2 .029
* 5160 * A-000000 06 1/2 .660 3/4 .034
* 5200 * A-000000 07 5/8 .780 3/4 .044
* 5240 * A-000000 08 3/4 .975 15/16 .054
* 5280 * A-000000 09 7/8 1.100 1-1/4 .069
* 5320 * A-000000 10 1 1.260 1-1/4 .075
* 5360 * A-000000 11 1-1/8 1.390 1-7/16 .085
* 5400 * A-000000 12 1-1/4 1.539 1-7/16 .097
* 5480 * A-000000 13 1-1/2 1.850 1-3/4 .113
* 5560 * A-000000 14 1-3/4 2.100 2.000 .123
* 5640 * A-000000 15 2 2.350 2-1/4 .133
P **** 0 *-****** = PFA  
T **** 1 *-****** = PTFE  
F **** 0 *-****** = FEP = MIL-T-81914/4-12 **
E **** 0 *-****** = ETFE = MIL-T-81914/5-12 **