Used on oxygen servicing unit. 2a 1st end thread class 12 1st end thread quantity per inch cleaning in accordance to mil-i-52211, for oxygen/nitrogen service ngo 2nd end thread series
Used on fire fighting equipment. 2b 1st end thread class 16 1st end thread quantity per inch threads for 2nd end is 1.50-4acme-2g-lh acme 2nd end thread series
Used on fire fighting equipment. 2b 2nd end thread class 16 2nd end thread quantity per inch left hand threads on second end acme 2nd end thread series
Used on ec135 milstar. with valve; delrin acetal; valve spring; 316 stainless steel; ferruless polytube fitting, ptf; shutoff 1/4in od, 0.170in id chromate surface treated ptf-sae short 2nd end thread series