Wonder what we use?

[jlaird]

https://www.fedhillusa.com/brakelinehome.html



Vintage British Brake Line Nuts
and Fittings

Part # Description Price-each
P2 3/8 x 24 unf steel bleed screw 1.28" overall $ 2.50
P2L 3/8 x 24 unf steel bleed screw 1.42" overall $ 3.00
P3 3/8 x 20 bsf steel bleed screw 1.28" overall $ 3.50
P4-3 3/8 x 24 unf female .687" overall $ 3.00
P5-4 7/16 x 20 unf female .937" overall $ 3.50
P6-5 1/2 x 20 unf female .937" overall $ 8.00
P7-6 5/8 x 18 unf female 1.00" overall $ 8.00
P10-3 3/8 x 24 unf male with lead .812" overall $ 2.00
P11-4 7/16 x 20 unf male with lead .875" overall $ 2.00
P12-5 1/2 x 20 unf male with lead 1.06" overall $ 3.50
P13-3 3/8 x 24 unf male union $ 4.00
P14-4br 7/16 x 20 unf male union brass NLA

P15-3 3/8 x 24 unf female union DIN flare $ 6.00
P18-3br 3/8 x 24 unf DIN flare 3 way tee brass $24.00
P19-3br 3/8 x 24 unf DIN flare 4 way tee brass $30.00
P21-6 9/16 x 18 unf 37 degree to SU fuel pump 3/8-19bspp $20.00
P22-6 9/16 x 18 unf 37 degree to Smith's fuel Pick-up 1/4-19bspp $18.00
P25-3 7/16 x 20 unf female .950" overall $ 5.00
P26-3 7/16 x 20 unf male with lead .900" overall $ 4.00
P30-3 3/8 x 20 bsf with lead .915" overall $ 4.00
P41 3/8 unf jam nut $ 1.00