Search query: .5 female not fitting plastic

Product: Horiznext 304 Stainless Steel 1/2" Barb Hose to 1/2 NPT Home Brew Pipe Barbed Nipple Fitting. Pack of 4
Brand: Horiznext
Color: Silver
Relevance: Substitute
Multiple barbs provide a positive hose clamp seal.Available for fluid handling applications. Multi-Functonal 1/2 Barb Hose: * Made of stainless steel. * Designed for threaded, barbed, push-to-connect, dry disconnect, and others including those based on internationally-accepted specifications * Used in air compressors, automatic manufacturing operations, aircraft controls, and tire installation in industries including agriculture, mining, road construction, firefighting, and aviation. Material: stainless steel 304 Size: 1/2" Barb End to 1/2" NPT Male End Length: 2.2 inches. Maximum working pressure：290 psi Working Temperature: - -100 to +660 degrees ℉. Package Included: 4 pcs. The stainless steel barbed hose fittings excellently designed and proven reliable. If you have any question or dissatisfaction about the products, pls let us know. If you are interested in purchasing large quantity, welcome to email us to get a good price and product details.
Made of stainless steel 304, heavy duty, durable.
1/2 NPT (National Pipe Taper threads) x 1/2" inch inner diameter hose
Great for attaching 1/2" inner diameter hose, and npt 1/2 ball valve
Maximum working pressure of 290 psi.
Temperature range from -100 to +660 degrees ℉

Product: Anderson Metals - 57484-1208 Brass Garden Hose Fitting, Connector, 3/4" Female Hose ID x 1/2" Male Pipe
Brand: Anderson Metals
Color: Brass
Relevance: Irrelevant
Hex garden hose reducer for connecting garden hoses of different diameter
Male threads on one end and female threads on the other for connecting hoses or pipes with different ends
Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories.

Product: Edge Industrial Brass Reducing Hex Bushing 3/4" Male Npt x 1/2" Female Npt Fuel/Air/Water/Oil/Gas/Wog (Qty 01)
Brand: EDGE INDUSTRIAL
Color: Brass
Relevance: Exact
3/4" Male NPT x 1/2" Female NPT Reducing Hex Bushing Fitting. Used for a variety of applications, not limited to grease, fuels, refrigeration, water, oil gas, and hydraulic systems. Working pressure of 1000 PSI. Temperature range of -65°F to 250°F (-53°C to 121°C). Meets the standards of ASA, ASME and SAE. Not deemed lead free. Not for use with potable water. Please Note: NPT Thread size is NOT determined by its outside thread diameter in inches. Please review our attached NPT sizing chart to cross reference NPT thread size to linear inches. Again, PLEASE VIEW OUR ATTACHED NPT SIZING CHART.
3/4" Male NPT x 1/2" Female NPT Reducing Hex Bushing
1000 PSI working pressure, Temperature range of -65°F to 250°F (-53°C to 121°C)
PLEASE NOTE, 3/4" NPT MEASURES 1.050", 1/2" NPT MEASURES 0.840" OUTSIDE THREAD DIAMETER IN LINEAR INCHES
Backed by EDGE Industrial full manufacturers warranty
NOT DEEMED LEAD FREE. NOT FOR POTABLE WATER