1 x 1 Brass Union, Female thread x Female thread

The Nr. 340 - Union Coupler is a standard brass fitting with a female thread connection produced according to DIN EN standard.

Brass 3/8 Female Compression X 1/4 Male Compression Adapter

Brass Forged Union Tee Fitting Female NPTF Thread

LittleWell 1/2 in. x 3/4 in. Brass Push-Fit Female Pipe Thread Fitting (2-Pack) ACPF8FPT12X2 - The Home Depot

Plumbing Brass Pipe Fittings - ®

Plumbing Page 7 — Dalton Engineering

66C-0502 - Female Connector - Compression Fittings - Dixon Valve

This brass compression tube fitting is widely used in pipe connection for air conditioning, hydraulic and pneumatic systems, HVAC, humidifier Also,

Uxcell 1/2 G x 1/2 G Male Brass Union Connector, 1pcs Drop Ear Thread Brass Compression Tube Fitting

CerroBrass 3/8 Tube OD x 1/4 Thread Brass Compression Tube Male Connector Comp x MNPT Ends P-68A-6B - 36983302 - Penn Tool Co., Inc

3250X4 by Danfoss, Pipe Adapter, Union (Short Thread)

1 Brass Bulkhead fitting, Male thread — Dalton Engineering

Female (1/8-27 NPT) Brass Union Tee, Description, Threads conform with the American standard taper pipe thread & resist vibration. Tighten a minimum

Brass Union Tee, Female (1/8-27 NPT) – AGS Company Automotive Solutions

NPT COUPLING (FEMALE X FEMALE)

Brass 1/4-in FIP x 1/8-in FIP Reducing Coupling

Fire Hose Coupling

PVC , ERA , FEMALE BRASS COUPLING - 公元管道（浙江）有限公司

Brass 1/8-in FIP x 1/8-in FIP Coupling