Dk-Lok USA
Dk-Lok USA
161 West I-65 Service Road
Mobile, AL 36608
Phone: (251) 472-9580
Fax: (251) 450-0962 or (800) 287-8186
[email protected]
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Green Instrument thread Fittings have been developed based on ASME B31.3 for instrumentation and process control in sizes 1/8" to 2". Green Thread and weld fittings have a wrench flat allowing standard Hex wrench assembly. This is one of the Green Pipe fitting benefits.

Male NPT to reduced male NPT
GNR Series Hex Reducing Nipple Fittings
GNR Series Hex Reducing Nipple Fittings-2
Unit of Measure
1 2 

Item #

Material

P - Pipe Size

P1 - Reduced Pipe Size

L

E

H - Hex

CAD

GNR-4-2N-S N/A Stainless Steel 316/316L Dual Grade N/A 1/4 N/A 1/8 N/A 30.7 mm N/A 4.8 mm N/A 14.2 mm N/A CAD Icon (for items table)
GNR-6-2N-S N/A Stainless Steel 316/316L Dual Grade N/A 3/8 N/A 1/8 N/A 32.0 mm N/A 4.8 mm N/A 17.4 mm N/A CAD Icon (for items table)
GNR-6-4N-S N/A Stainless Steel 316/316L Dual Grade N/A 3/8 N/A 1/4 N/A 36.1 mm N/A 7.1 mm N/A 17.4 mm N/A CAD Icon (for items table)
GNR-8-2N-S N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 1/8 N/A 37.2 mm N/A 4.8 mm N/A 22.2 mm N/A CAD Icon (for items table)
GNR-8-4N-S N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 1/4 N/A 41.7 mm N/A 7.1 mm N/A 22.2 mm N/A CAD Icon (for items table)
GNR-8-6N-S N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 3/8 N/A 41.7 mm N/A 9.6 mm N/A 22.2 mm N/A CAD Icon (for items table)
GNR-12-4N-S N/A Stainless Steel 316/316L Dual Grade N/A 3/4 N/A 1/4 N/A 41.7 mm N/A 7.1 mm N/A 26.9 mm N/A CAD Icon (for items table)
GNR-12-8N-S N/A Stainless Steel 316/316L Dual Grade N/A 3/4 N/A 1/2 N/A 46.7 mm N/A 11.9 mm N/A 26.9 mm N/A CAD Icon (for items table)
GNR-16-4N-S N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 1/4 N/A 49.3 mm N/A 7.1 mm N/A 34.9 mm N/A CAD Icon (for items table)
GNR-16-8N-S N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 1/2 N/A 54.1 mm N/A 11.9 mm N/A 34.9 mm N/A CAD Icon (for items table)
GNR-8-4N-10K-S N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 1/4 N/A 41.7 mm N/A 5.8 mm N/A 22.2 mm N/A CAD Icon (for items table)
GNR-4-2N-C N/A Carbon Steel N/A 1/4 N/A 1/8 N/A 30.7 mm N/A 4.8 mm N/A 14.2 mm N/A CAD Icon (for items table)
GNR-6-2N-C N/A Carbon Steel N/A 3/8 N/A 1/8 N/A 32.0 mm N/A 4.8 mm N/A 17.4 mm N/A CAD Icon (for items table)
GNR-6-4N-C N/A Carbon Steel N/A 3/8 N/A 1/4 N/A 36.1 mm N/A 7.1 mm N/A 17.4 mm N/A CAD Icon (for items table)
GNR-8-2N-C N/A Carbon Steel N/A 1/2 N/A 1/8 N/A 37.2 mm N/A 4.8 mm N/A 22.2 mm N/A CAD Icon (for items table)
GNR-8-4N-C N/A Carbon Steel N/A 1/2 N/A 1/4 N/A 41.7 mm N/A 7.1 mm N/A 22.2 mm N/A CAD Icon (for items table)
GNR-8-6N-C N/A Carbon Steel N/A 1/2 N/A 3/8 N/A 41.7 mm N/A 9.6 mm N/A 22.2 mm N/A CAD Icon (for items table)
GNR-12-4N-C N/A Carbon Steel N/A 3/4 N/A 1/4 N/A 41.7 mm N/A 7.1 mm N/A 26.9 mm N/A CAD Icon (for items table)
GNR-12-8N-C N/A Carbon Steel N/A 3/4 N/A 1/2 N/A 46.7 mm N/A 11.9 mm N/A 26.9 mm N/A CAD Icon (for items table)
GNR-16-4N-C N/A Carbon Steel N/A 1 N/A 1/4 N/A 49.3 mm N/A 7.1 mm N/A 34.9 mm N/A CAD Icon (for items table)
GNR-16-8N-C N/A Carbon Steel N/A 1 N/A 1/2 N/A 54.1 mm N/A 11.9 mm N/A 34.9 mm N/A CAD Icon (for items table)
GNR-4-2N-B N/A Brass N/A 1/4 N/A 1/8 N/A 30.7 mm N/A 4.8 mm N/A 14.2 mm N/A CAD Icon (for items table)
GNR-6-2N-B N/A Brass N/A 3/8 N/A 1/8 N/A 32.0 mm N/A 4.8 mm N/A 17.4 mm N/A CAD Icon (for items table)
GNR-6-4N-B N/A Brass N/A 3/8 N/A 1/4 N/A 36.1 mm N/A 7.1 mm N/A 17.4 mm N/A CAD Icon (for items table)
GNR-8-2N-B N/A Brass N/A 1/2 N/A 1/8 N/A 37.2 mm N/A 4.8 mm N/A 22.2 mm N/A CAD Icon (for items table)
Unit of Measure
1 2