Heyco Liquid Tight Cord Grips Torque Recommendations ChartHeyco-Tite Cord Grips (LTCG)
Heyco®-Tite Liquid Tight Cord Grips
NPT Thread
Thread Size Description Heyco Part Numbers
(Black, Gray)
Locknut Torque Sealing Nut Torque
in. lbs Nm in. lbs Nm
1/4 NPT LTCG 1/4 M4516, M4517 15 - 20 1,7 - 2,3 25 - 30 2,8 - 3,4
RLTCG 1/4 M4514, M4515
Flex LTCG 1/4 M4538, M4539
Flex RLTCG 1/4 M4536, M4537
LTCG 1/4-90 M4562, M4563
RLTCG 1/4-90 M4560, M4561
3/8 NPT LTCG 3/8 M3228, M3229 33 - 38 3,7 - 4,3 33 - 38 3,7 - 4,3
RLTCG 3/8 M3458, M3459
Flex LTCG 3/8 M3254, M3255
Flex RLTCG 3/8 M3474, M3475
LTCG 3/8-90 M8562, M8563
RLTCG 3/8-90 M8560, M8561
1/2 NPT LTCG 1/2 M3231, M3232 40 - 45 4,5 - 5,1 50 - 55 5,6 - 6,2
RLTCG 1/2 M4518, M4519
Flex LTCG 1/2 M3251, M3252
Flex RLTCG 1/2 M4540, M4541
LTCG 1/2-90 M8564, M8565
RLTCG 1/2-90 M4564, M4565
LTCG LL 1/2 M3200, M3201 70 7,9
RLTCG LL 1/2 M4520, M4521
3/4 NPT LTCG 3/4 M3234, M3235 75 - 80 8,5 - 9,0 80 - 85 9,0 - 9,6
RLTCG 3/4 M3460, M3461
Flex LTCG 3/4 M3239, M3242
Flex RLTCG 3/4 M3462, M3463
1 NPT LTCG 1 M8437, M8438 75 - 80 8,5 - 9,0 100 - 110 11,3 - 12,4
RLTCG 1 M8439, M8440
1-1/4 NPT LTCG 1-1/4 M4524, M4525 125 - 135 14,1 - 15,3 145 - 155 16,4 - 17,5
RLTCG 1-1/4 M4522, M4523
1-1/2 NPT LTCG 1-1/2 M3317, M3318 255 28,8 188 21,2
RLTCG 1-1/2 M3319, M3320
2 NPT LTCG 2 M3321, M3322 300 33,9 255 28,8
RLTCG 2 M3323, M3324
† Note: The values shown are for reference only. The torque value for sealing nuts may vary depending upon the crush resistance of the cable.