Heyco Liquid Tight Cord Grips Torque Recommendations ChartOriginal Series-35 Fittings (LTF)
Heyco® Original Series-35 Liquid Tight Fittings
PG Thread
Thread Size Description Heyco Part Numbers
(Black, Gray)
Locknut Torque Sealing Nut Torque
in. lbs Nm in. lbs Nm
PG 7 RLTF 7 3444, 3445 35 4,0 25 2,8
LTF 7 3207, 3208
Flex RLTF 7 3464, 3465
Flex LTF 7 3237, 3238
PG 9 RLTF 9 3446, 3447 40 4,5 40 4,5
LTF 9 3210, 3211
Flex RLTF 9 3466, 3467
Flex LTF 9 3240, 3241
PG 11 RLTF 11 3448, 3449 45 5,1 65 7,3
LTF 11 3213, 3214
Flex RLTF 11 3468, 3469
Flex LTF 11 3243, 3244
PG 13.5* LTF 13.5 3216, 3217 80 9,0 80 9,0
Flex LTF 13.5 3246, 3247
PG 16 LTF 16 3219, 3220 124 14,0 120 13,6
Flex LTF 16 3249, 3250
PG 21 RLTF 21 3454, 3455 169 19,1 130 14,7
LTF 21 3222, 3223
Flex RLTF 21 3478, 3479
Flex LTF 21 3245, 3248
PG 29 LTF 29 3225, 3226 225 25,4 275 31,1
* PG 13.5 is also known as PG 13
Note: The values shown are for reference only. The torque value for sealing nuts may vary depending upon the crush resistance of the cable.