65781H by Midland | Half Merchant Coupling | 4" Diameter | Black SteelSpecifications: Standards: Product complies with ASTM A865 and ANSI B1. 20. 1 for threading, dimensions and pipe specifications. Federal Spec WW P 404. Pipe: Complies with ASTM A 53 milltested schedule 40 and 80. Meets ANSI B36. 1. All pipe is hydrostatic tested. Black Steel: Protects against oxidation with the varnish coating. Part Number Size 65770H 1 8" 65771H (65 771H) 1 4" 65772H (65 772H) 3 8" 65773H (65 773H) 1 2" 65774H (65 774H) 3 4" 65775H
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65781H by Midland | Half Merchant Coupling | 4" Diameter | Black Steel