|
Thread
Type Identification
|
Outer
Body
|
Male
Nipple
|
Female
Swivel
|
90°
Female
Elbow
|
|
Thread O.D. (approx) 16.5mm x 19 T.P.I. 
B.S.P.
THREAD
Male has tapered thread (can seal on thread)
Female has straight thread with seat "A"
|
3/8" BSP Thread |
|
B5059
|
B5032
|
B3386
|
B3387
|
|
Thread
O.D. (approx) 21mm x 14 T.P.I. |
1/2" BSP Thread |
|
B5059
|
B5034
|
B5037
|
B5040
|
|
|
Thread O.D. (approx) 17mm x 18 T.P.I.
N.P.T.F.
THREAD
Male tapered thread (sharper thread form than B.S.P.)
Female (hose fittings) rare in AUST/NZ (normally B.S.P.)
|
3/8" NPTF |
|
B5059
|
B5054
|
Normally
BSP
(convert if req.)
|
|
Thread
O.D. (approx) 21mm x 14 T.P.I. |
1/2" NPTF |
|
B5059
|
B3388
|
Normally
BSP
|
|
|
Thread 3/4" x 16 T.P.I.
JIC
THREAD
Male has protruding seat angle
Female has pipe-flare seat
See illust "B"
|
3/4" JIC Thread |
|
B5059
|
B5043
|
B5047
|
B5051
|
|
Thread
7/8" x 14 T.P.I. |
7/8" JIC Thread |
|
B5059
|
B5044
|
B5048
|
B5052
|