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 both ends
GNH Series Hex Nipples
GNH Series Hex Nipples-2
Unit of Measure
1 2 3 

Item #

Material

P - Pipe Size

L

E

H - Hex

Bar Stock

CAD

GNH-2N-S N/A Stainless Steel 316/316L Dual Grade N/A 1/8 N/A 25.7 mm N/A 4.8 mm N/A 11.1 mm N/A ASTM A276 ASTM A479 N/A CAD Icon (for items table)
GNH-4N-S N/A Stainless Steel 316/316L Dual Grade N/A 1/4 N/A 35.6 mm N/A 7.1 mm N/A 14.2 mm N/A ASTM A276 ASTM A479 N/A CAD Icon (for items table)
GNH-6N-S N/A Stainless Steel 316/316L Dual Grade N/A 3/8 N/A 36.3 mm N/A 9.6 mm N/A 17.4 mm N/A ASTM A276 ASTM A479 N/A CAD Icon (for items table)
GNH-8N-S N/A Stainless Steel 316/316L Dual Grade N/A 1/2 N/A 46.7 mm N/A 11.9 mm N/A 22.2 mm N/A ASTM A276 ASTM A479 N/A CAD Icon (for items table)
GNH-12N-S N/A Stainless Steel 316/316L Dual Grade N/A 3/4 N/A 46.7 mm N/A 15.7 mm N/A 26.9 mm N/A ASTM A276 ASTM A479 N/A CAD Icon (for items table)
GNH-16N-S N/A Stainless Steel 316/316L Dual Grade N/A 1 N/A 58.9 mm N/A 22.3 mm N/A 34.9 mm N/A ASTM A276 ASTM A479 N/A CAD Icon (for items table)
GNH-4N-10K-S N/A Stainless Steel 316/316L Dual Grade N/A 1/4 N/A 35.6 mm N/A 5.8 mm N/A 14.3 mm N/A ASTM A276 ASTM A479 N/A CAD Icon (for items table)
GNH-2N-C N/A Carbon Steel N/A 1/8 N/A 25.7 mm N/A 4.8 mm N/A 11.1 mm N/A ASTM A675 JIS G4051 N/A CAD Icon (for items table)
GNH-4N-C N/A Carbon Steel N/A 1/4 N/A 35.6 mm N/A 7.1 mm N/A 14.2 mm N/A ASTM A675 JIS G4051 N/A CAD Icon (for items table)
GNH-6N-C N/A Carbon Steel N/A 3/8 N/A 36.3 mm N/A 9.6 mm N/A 17.4 mm N/A ASTM A675 JIS G4051 N/A CAD Icon (for items table)
GNH-8N-C N/A Carbon Steel N/A 1/2 N/A 46.7 mm N/A 11.9 mm N/A 22.2 mm N/A ASTM A675 JIS G4051 N/A CAD Icon (for items table)
GNH-12N-C N/A Carbon Steel N/A 3/4 N/A 46.7 mm N/A 15.7 mm N/A 26.9 mm N/A ASTM A675 JIS G4051 N/A CAD Icon (for items table)
GNH-16N-C N/A Carbon Steel N/A 1 N/A 58.9 mm N/A 22.3 mm N/A 34.9 mm N/A ASTM A675 JIS G4051 N/A CAD Icon (for items table)
GNH-2N-B N/A Brass N/A 1/8 N/A 25.7 mm N/A 4.8 mm N/A 11.1 mm N/A ASTM B16 ASTM B453 JIS H3250 N/A CAD Icon (for items table)
GNH-4N-B N/A Brass N/A 1/4 N/A 35.6 mm N/A 7.1 mm N/A 14.2 mm N/A ASTM B16 ASTM B453 JIS H3250 N/A CAD Icon (for items table)
GNH-6N-B N/A Brass N/A 3/8 N/A 36.3 mm N/A 9.6 mm N/A 17.4 mm N/A ASTM B16 ASTM B453 JIS H3250 N/A CAD Icon (for items table)
GNH-8N-B N/A Brass N/A 1/2 N/A 46.7 mm N/A 11.9 mm N/A 22.2 mm N/A ASTM B16 ASTM B453 JIS H3250 N/A CAD Icon (for items table)
GNH-12N-B N/A Brass N/A 3/4 N/A 46.7 mm N/A 15.7 mm N/A 26.9 mm N/A ASTM B16 ASTM B453 JIS H3250 N/A CAD Icon (for items table)
GNH-16N-B N/A Brass N/A 1 N/A 58.9 mm N/A 22.3 mm N/A 34.9 mm N/A ASTM B16 ASTM B453 JIS H3250 N/A CAD Icon (for items table)
GNH Series Hex Nipple Fittings N/A N/A N/A N/A N/A N/A N/A CAD Icon (for items table)
GNH-2N-SD N/A Super Duplex N/A 1/8 N/A 25.65 mm N/A 4.8 mm N/A 11.1 mm N/A N/A CAD Icon (for items table)
GNH-4N-SD N/A Super Duplex N/A 1/4 N/A 35.56 mm N/A 7.1 mm N/A 14.2 mm N/A N/A CAD Icon (for items table)
GNH-6N-SD N/A Super Duplex N/A 3/8 N/A 36.32 mm N/A 9.6 mm N/A 17.4 mm N/A N/A CAD Icon (for items table)
GNH-8N-SD N/A Super Duplex N/A 1/2 N/A 46.73 mm N/A 11.9 mm N/A 22.2 mm N/A N/A CAD Icon (for items table)
GNH-12N-SD N/A Super Duplex N/A 3/4 N/A 46.73 mm N/A 15.7 mm N/A 26.9 mm N/A N/A CAD Icon (for items table)
Unit of Measure
1 2 3