|
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 |
|
B8058
|
B8031
|
B8035
|
B8038
|
|
Thread
O.D. (approx) 21mm x 14 T.P.I. |
1/2" BSP Thread |
|
B8058
|
B8033
|
B8036
|
B3384
|
|
|
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 |
|
B8058
|
B8053
|
Normally
BSP
(convert if req.)
|
|
Thread
O.D. (approx) 21mm x 14 T.P.I. |
1/2" NPTF |
|
B8058
|
B3385
|
Normally
BSP
|
|
|
Thread 9/16" x 18 T.P.I.
JIC
THREAD
Male has protruding seat angle
Female has pipe-flare seat
See illust "B"
|
9/16" JIC Thread |
|
B8058
|
B8041
|
B8045
|
B8049
|
|
Thread
¾ x 16 T.P.I. |
3/4" JIC Thread |
|
B8058
|
B8042
|
B8046
|
B8050
|