Hose fittings

Initials and standard identification
Fittings are manufactured to the following internationally recognized specification. These relate to thread forms and methods of sealling.

General
Dash size reference for inch threads (thread size chart)

Dash size bsp nptf SAE jic 74º SAE 90º Orfs SAE 90º Inverted flare (orb) o-ring boss

02 - 28 - 27 - 24 - 24 - - 24 - 24
03 - - - 24 - 24 - - 24 - 24
04 ¼ - 19 ¼ - 18 - 20 - 20 - 18 - 24 - 20
05 - ½ - 20 ½ - 20 - ½ - 20 ½ - 20
06 - 19 - 18 - 18 - 18 - 16 - 18 - 18
07 - - - 24 - - 18 -
08 ½ - 14 ½ - 14 ¾ - 16 ¾ - 16 - 16 ¾ - 18 ¾ - 16
10 - 14 - - 14 - 14 1 - 14 - 18 - 14
12 ¾ - 14 ¾ - 14 1 - 12 1 - 14 1 - 12 1 - 16 1 - 12
14 - - 1 - 12 - - - 1 - 12
16 1 - 11 1 - 11½ 1 - 12 - 1 - 12 - 1 - 12
20 1¼ - 11 1¼ - 11½ 1 - 12 - 1 - 12 - 1 - 12
24 1½ - 11 1½ - 11½ 1 - 12 - 2 - 12 - 1 - 12
32 2 - 11 2 - 11½ 2½ - 12 - - - 2½ - 12
40 2½ - 8 2½ - 8 3 - 12 - - - 3 - 12
48 3 - 8 3 - 8 3½ - 12 - - - 3½ - 12