Tube Nuts
AN tube nuts for compression-fitting hardline assemblies.
HTN AN Tube Nuts

AN tube nuts for hardline compression assemblies — pair with our tube sleeves to finish hard line in a 37° flare-ready end. Imperial and metric bores, sized per product below.
| Options | Qty | |||||
|---|---|---|---|---|---|---|
![]() | CF-HTN-03-316-000-XX | -3 AN Fitting – 3/16″ Tube Nut | 3/16" Tube Sleeve, -3AN Female Flare | $2.50Details | ||
![]() | CF-HTN-04-014-000-XX | -4 AN Fitting – 1/4″ Tube Nut | 1/4" Tube Sleeve, -4AN Female Flare | $2.75Details | ||
![]() | CF-HTN-04-055-000-XX | -4 AN Fitting – 5.5mm Tube Nut | 5.5mm Tube Sleeve, -4AN Female Flare | $2.75Details | ||
![]() | CF-HTN-04-060-000-XX | -4 AN Fitting – 6.0mm Tube Nut | 6mm Tube Sleeve, -4AN Female Flare | $2.75Details | ||
![]() | CF-HTN-06-516-038-XX | -6 AN Fitting – 5/16″ & 3/8″ Tube Nut | 5/16" Tube Sleeve, -6AN Female Flare | $3.00Details | ||
![]() | CF-HTN-08-012-000-XX | -8 AN Fitting – 1/2″ Tube Nut | 1/2" Tube Sleeve, -8AN Female Flare | $3.25Details | ||
![]() | CF-HTN-10-058-000-XX | -10 AN Fitting – 5/8″ Tube Nut | 5/8" Tube Sleeve, -10AN Female Flare | $3.50Details |