Used on 6515-01-541-1421 tester,ventilator. quick connector miniature miniature quick-connector for end item ventilator tester model 3600i, nsn 6515-01-449-1421
Used on ch-53 helicopter. 1/4 hose barb valved panel mount coupling pressure range: vacum to 250 psi, 17.3 bar; mounting option: panel mount; seal options: buna-n; valve spring is 316 stainless steel; temp range: -40 deg f to 180 deg f chromium surface treated