1/4 Inch Lincoln Series Brass Coupler x 1/4 Inch Male NPT, PK 100, Interstate Pneumatics, Mfr#: CL441B-100K$836.99+
Long Shank Coupling, 2-1/2 in Nominal, Female NST x Hose End Style, Domestic, Dixon, Mfr#: BLS250NST$156.99+
1 Inch Straight Through Hose Barb Jack Hammer Coupler, PK 6, Interstate Pneumatics, Mfr#: CU-903-D6$26.55+
Scovill Style Permanent Coupling, 3 in Nominal, Female NPSM, Brass, Domestic, Dixon, Mfr#: H5261$249.99+
1/2 Inch Male NPT Straight Through Jack Hammer Coupler, PK 25, Interstate Pneumatics, Mfr#: CU-801-25K$99.25+
520-G Internally Expanded Permanent Scovill Style Hose Coupling, Coupling, 2-1/2 in, Hose x Grooved, , Dixon, Mfr#: G5252$128.99+
Boss Ground Joint Washer Seal Spud, 1-1/2 in, Thread Wing Nut x FNPT, Iron, Domestic, Dixon, Mfr#: B23$35.89+
Super King Long Shank Coupling with Pin Lug Brass Nut, 4 in Nominal, Female NPSM End Style, 5 in L, , Dixon, Mfr#: SD40$96.89+
Boss Ground Joint Washer Seal Coupling, 1/2 x 3/4 in Nominal, Hose Shank x FNPT End Style, Iron/Ste, Dixon, Mfr#: WF26-1$57.15+
Long Shank Coupling, 2 in Nominal, Female NPSM x Hose End Style, 5-7/16 in L, Domestic, Dixon, Mfr#: MLS53$60.59+