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Heyco Liquid Tight Fittings Torque Chart (LTCG)
PG Thread
NPT Thread
Metric Thread
 
Torque Chart - Cord Grips - PG Thread
Thread
Size		 Cord Grip
(Description)		 Heyco Part
Numbers		 Sealing Nut
Torque †		 Locknut
Torque
PG 7 LTCG 7 M3207 25-30 in. lbs. 15-20 in. lbs.
RLTCG 7 M3444
Flex LTCG 7 M3237
LTCG 7-90 M8532
RLTCG 7-90 M8530
PG 9 LTCG 9 M3210 33-38 in. lbs. 33-38 in. lbs.
RLTCG 9 M3446
Flex LTCG 9 M3240
LTCG 9-90 M8536
RLTCG 9-90 M8534
PG 11 LTCG 11 M3213 55-65 in. lbs. 40-45 in. lbs.
RLTCG 11 M3448
LTCG 11-90 M8540
RLTCG 11-90 M8538
PG 13.5* LTCG 13.5 M3216 50-55 in. lbs. 40-45 in. lbs.
RLTCG 13.5 M4542
Flex LTCG 13.5 M3246
LTCG 13.5-90 M8542
RLTCG 13.5-90 M4542
PG 16 LTCG 16 M3219 70 in. lbs. 100 in. lbs
RLTCG 16 M4502
Flex LTCG 16 M3249
PG 21 LTCG 21 M3222 80-85 in. lbs. 75-80 in. lbs.
RLTCG 21 M3454
Flex LTCG 21 M3245
PG 29 LTCG 21 M3225 100-110 in. lbs. 75-80 in. lbs.
RLTCG 21 M4504
PG 36 LTCG 36 M3204 145-155 in. lbs. 125-135 in. lbs.
RLTCG 36 M3206
PG 42 LTCG 42 M3212 188 in. lbs. 255 in. lbs.
RLTCG 42 M3218
PG 48 LTCG 48 M3281 255 in. lbs. 300 in. lbs.
RLTCG 48 M3283
* 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.
Torque Chart - Cord Grips - NPT Thread
Thread
Size		 Cord Grip
(Description)		 Heyco Part
Numbers		 Sealing Nut
Torque †		 Locknut
Torque
1/4 NPT LTCG 1/4 M4516 25-30 in. lbs. 15-20 in. lbs.
RLTCG 1/4 M4514
Flex LTCG 1/4 M4538
Flex RLTCG 1/4 M4536
LTCG 1/4-90 M4562
RLTCG 1/4-90 M4560
3/8 NPT LTCG 3/8 M3228 33-38 in. lbs. 33-38 in. lbs.
RLTCG 3/8 M3458
Flex LTCG 3/8 M3254
Flex RLTCG 3/8 M3474
LTCG 3/8-90 M8562
RLTCG 3/8-90 M8560
1/2 NPT LTCG 1/2 M3231 50-55 in. lbs. 40-45 in. lbs.
RLTCG 1/2 M4518
Flex LTCG 1/2 M3251
Flex RLTCG 1/2 M4540
LTCG 1/2-90 M8564
RLTCG 1/2-90 M4564
LTCG LL 1/2 M3200 70 in. lbs.
RLTCG LL 1/2 M4520
3/4 NPT LTCG 3/4 M3234 80-85 in. lbs. 75-80 in. lbs.
RLTCG 3/4 M3460
Flex LTCG 3/4 M3239
Flex RLTCG 3/4 M3462
1 NPT LTCG 1 M8437 100-110 in. lbs. 75-80 in. lbs.
RLTCG 1 M8439
1-1/4 NPT LTCG 1-1/4 M4524 145-155 in. lbs. 125-135 in. lbs.
RLTCG 1-1/4 M4522
1-1/2 NPT LTCG 1-1/2 M3317 188 in. lbs. 255 in. lbs.
RLTCG 1-1/2 M3319
2 NPT LTCG 2 M3281 255 in. lbs. 300 in. lbs.
RLTCG 2 M3283
† Note: The values shown are for reference only. The torque value for sealing nuts may vary depending upon the crush resistance of the cable.
Torque Chart - Cord Grips - Metric Thread
Thread
Size		 Cord Grip
(Description)		 Heyco Part
Numbers		 Sealing Nut
Torque †		 Locknut
Torque
M12 LTCG M12 M4332 25-30 in. lbs. 15-20 in. lbs.
RLTCG M12 M4330
Flex LTCG M12 M4398
Flex RLTCG M12 M4396
LTCG M12-90 M4450
RLTCG M12-90 M4448
M16 LTCG M16 M4336 33-38 in. lbs. 33-38 in. lbs.
RLTCG M16 M4334
Flex LTCG M16 M4402
Flex RLTCG M16 M4400
LTCG M16-90 M4454
RLTCG M16-90 M4452

M20

 LTCG M20 M4340 50-55 in. lbs. 40-45 in. lbs.
RLTCG M20 M4338
Flex LTCG M20 M4406
Flex RLTCG M20 M4404
LTCG M20-90 M4458
RLTCG M20-90 M4456
M25 LTCG M25 M4344 80-85 in. lbs. 75-80 in. lbs.
RLTCG M25 M4342
Flex LTCG M25 M4410
Flex RLTCG M25 M4408
M32 LTCG M32 M4348 100-110 in. lbs. 75-80 in. lbs.
RLTCG M32 M4346
M40 LTCG M40 M4352 100-110 in. lbs. 75-80 in. lbs.
RLTCG M40 M4350
M50 LTCG M50 M3300 188 in. lbs. 255 in. lbs.
RLTCG M50 M3302
M63 LTCG M63 M3304 255 in. lbs. 300 in. lbs.
RLTCG M63 M3306
†Note: The values shown are for reference only. The torque value for sealing nuts may vary depending upon the crush resistance of the cable.