Parker Quick Connection Coupling: Coupling Body, 2 in Pipe X 2 in Pipe Size, FNPT X FNPT, Stainless Steel Model: NSL-2001-32FP-S3

Coupling: 304 Stainless Steel, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 40FC111N030

Calbrite Threaded Coupling - Three-Piece: 316 Stainless Steel, 3 in Trade Size, 3 7/16 in Overall Lg Model: S630003U00

Merchant Coupling: Steel, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 4HVG8

Coupling: 316 Stainless Steel, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 4307001176

Coupling: Carbon Steel, 1/2 in X 1/2 in Fitting Pipe Size, Class 3000 Model: 1003006001

Dixon Breaking Bolt Series Stainless Steel FNPT X FNPT Safety Break-Away Coupling - SBC300SS

Coupling: Forged Steel, 3 in X 3 in Fitting Pipe Size, Class 3000, Socket Model: 1MNX7

Heavy-Duty Clamp Coupling: Stainless Steel, 3 in X 3 in Fitting Pipe Size, Coupling, 3 in Overall Lg Model: HDC300

Half Coupling: 316 Stainless Steel, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT Model: 4307001528

Anvil Half Coupling: Forged Steel, 3 in X 3 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 0361169204

Bridgeport Fittings Threaded Coupling - Three-Piece: Iron, 3 in Trade Size, 3 3/4 in Overall Lg, RMC Model: 1128-RT

Raco Threaded Coupling - Three-Piece: Iron, 3 in Trade Size, 3 3/8 in Overall Lg, IMC/RMC Model: 1512

Fulton A-Frame Coupler: A-Frame Coupler, III, 5,000 Lb Gross Towing Wt Capacity, Steel, Primer Model: 33305 1360

3" Forged Threaded Full Coupling 3000 316 Stainless SN: S4036CP030

Blucher Double Coupling: Stainless Steel, 3 in X 3 in Fitting Pipe Size, Female Socket X Male Socket Model: DC-3-316

Half Coupling: Forged Steel, 3/4 in Fitting Pipe Size, Class 3000, Socket Model: 1MNY4

Made In Usa Size 1/4" , Class 3, 000, Forged Carbon Steel Black Pipe Coupling 3, 000 Psi, Socket Weld End Connection 0362060204 - 93335289

3-3C-OD MORRIS COUPLING - Machine Parts & Bracket Supplies

Half Coupling: Forged Steel, 1/4 in X 1/4 in Fitting Pipe Size, Female NPT, Class 3000 Model: 1MNB4

Smith Cooper 3 in. Standard Weight Rigid Coupling W/ C Gasket - Fig. 65SR - 4329000650

3" Socket Weld SS Half Coupling

Straub Grip L Pipe Coupling: Polished 316 Stainless Steel, For Axial, 3 in Connection Model: G20650-SI

Made In Usa Size 3/8" , Class 3, 000, Forged Carbon Steel Black Pipe Coupling 3, 000 Psi, Threaded End Connection 0361155401 - 74692575

Made In Usa Size 1/8" , Class 3, 000, Forged Carbon Steel Black Pipe Coupling 3, 000 Psi, Socket Weld End Connection 0362060006 - 74025982

EC400 - Appleton 4-Inch Rigid Three-Piece Conduit Coupling, 3-Piece Union, Malleable Iron, 90 Degree

Smith Cooper 3000 Forged Carbon Steel 3 in. Coupling Fitting - Socket Weld - Fig. 52CP3 - 4308003020

Coupling Forged Steel Black Class 3000 1-1/2"

Cam And Groove Coupling: 3 in Coupling Size, 3 in Hose Fitting Size, 3 in -8 Thread Size, Nitrile Model: 3LX44

Coupling: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 40FC111N034