EFC International offers Nylon Liquid Tight Lock Nuts in three Trade styles - Metric, NPT, and PG. Parts on this page are PG parts.

These Nylon Liquid Tight Lock Nuts are designed to be used with our Nylon Liquid Tight Fittings.
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Item #

Item Name

Temperature Index

Material Thickness (Decimal)

Wrench Flats

20630001-A030I N/A PG Thread Series 0.75 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.218 in5.50 mm N/A 0.750 in19.10 mm
20630002-A070I N/A PG Thread Series 0.75 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.218 in5.50 mm N/A 0.750 in19.10 mm
20708006-A030I N/A PG Thread Series 0.859 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.218 in5.50 mm N/A 0.859 in21.80 mm
20630004-A070I N/A PG Thread Series 0.859 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.218 in5.50 mm N/A 0.859 in21.80 mm
20630005-A030I N/A PG Thread Series 0.937 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.218 in5.50 mm N/A 0.937 in23.80 mm
20630005-A070 N/A PG Thread Series 0.937 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.218 in5.50 mm N/A 0.937 in23.80 mm
20630007-A030I N/A PG Thread Series 1.062 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.250 in6.40 mm N/A 1.062 in27.00 mm
20708008-A07I N/A PG Thread Series 1.062 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.250 in6.40 mm N/A 1.062 in27.00 mm
70007901 N/A PG Thread Series 1.171 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.250 in6.40 mm N/A 1.171 in29.70 mm
70007901-A070 N/A PG Thread Series 1.171 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.250 in6.40 mm N/A 1.171 in29.70 mm
20300028-A03I N/A PG Thread Series 1.406 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.281 in7.10 mm N/A 1.406 in35.70 mm
20300028-A070 N/A PG Thread Series 1.406 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.281 in7.10 mm N/A 1.406 in35.70 mm
20300317-A030 N/A PG Thread Series 1.812 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.281 in7.10 mm N/A 1.812 in46.00 mm
20300317-A070 N/A PG Thread Series 1.812 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.281 in7.10 mm N/A 1.812 in46.00 mm
20301498-A03 N/A PG Thread Series 2.244 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.281 in7.10 mm N/A 2.244 in56.90 mm
20301499-A07 N/A PG Thread Series 2.244 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.281 in7.10 mm N/A 2.244 in56.90 mm
20301500-A03 N/A PG Thread Series 2.75 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.320 in8.10 mm N/A 2.750 in69.90 mm
20301501-A07 N/A PG Thread Series 2.75 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.320 in8.10 mm N/A 2.750 in69.90 mm
20301502-A03 N/A PG Thread Series 2.835 Inch (in) Wrench Flats Nylon Liquid Tight Black Locknut® N/A 125 ºC N/A 0.375 in9.50 mm N/A 2.835 in72.00 mm
20301503-A07 N/A PG Thread Series 2.835 Inch (in) Wrench Flats Nylon Liquid Tight Gray Locknut® N/A 125 ºC N/A 0.375 in9.50 mm N/A 2.835 in72.00 mm
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