8.709-536.0 Coupler Twist Seal 1/4 Plug Male ships factory direct right to your door. ADDITIONAL PRODUCT NOTES: 1/4'' MPT Twist Seal Coupler Plug/Nipple, Brass, 3600 PSI 8.709-536.0 model number - d10021, material type - brass, temperature - 302 Degrees, psi - 3, 600, 331304, 87095360,