Haltec couplers and nipples are long-lasting, high performance products. They are rated for pressure up to 300 PSI with an operating temperature range of -40° F to +250° F. The 1/4" couplers have a 4-ball locking device while the 3/8" and 1/2" series offer an 8-ball locking device. The nipples have hardened wear points and are made from solid barstock construction to provide long service life. Made in the USA. Weight 0.444 NPT 1/2" Thread Type Male Schrader - Dill - AMFLO - CAMEL - Milton - TRU-FLATE -
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