8.709-540.0 Coupler Twist Seal 1/4 Plug Female ships factory direct right to your door. ADDITIONAL PRODUCT NOTES: 1/4'' FPT Twist Seal Coupler Plug/Nipple, Brass, 3600 PSI 8.709-540.0 model number - d10022, material type - brass, temperature - 302 Degrees, psi - 3, 600, 331305, 87095400,