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The COILHOSE PNEUMATICS A900N4H is a pneumatic hose coupling connector designed for use in compressed air systems. It features a 1/4 inch body diameter and a hose barb thread type, allowing direct connection to 1/4 inch inside diameter air hose. Built from steel, this coupling is suited for shop, industrial, and trade environments where durable, reliable air line connections are required. It follows the Acme interchange standard, making it compatible with other Acme-type fittings in pneumatic systems. Licensed plumbers, pipefitters, and maintenance technicians commonly install this type of fitting when assembling or servicing compressed air distribution lines.
The A900N4H is intended for use in pneumatic air supply systems requiring a secure hose barb connection at the coupling point. It fits 1/4 inch inside diameter hose and is well suited for light to medium industrial applications, tool connections, and compressed air distribution setups. The Acme interchange design means it connects and disconnects with fittings meeting that same interchange specification, which is widely used across shop air equipment. This part is sold individually, with a minimum order quantity of 6 units.
Designed as an OEM-style replacement or addition for pneumatic air systems using Acme interchange couplings with 1/4 inch hose barb connections.
Installation is typically performed by a maintenance technician or pipefitter working on compressed air distribution systems. Always depressurize the air line completely before removing or installing any coupling or fitting. Secure the hose barb end firmly onto the hose and apply a hose clamp as needed to prevent blowoff under pressure. Follow applicable compressed air system codes and the equipment manufacturer guidance for pressure rating compliance.
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