NNI 2-1/2" NST (NH) Female x 2-1/2" NPT Male Fire Hose Hydrant Brass Adapter

Description

2-1/2
" Female N
S
T (NH) X 2-1/2"
Male NPT
BRASS REDUCING ADAPTER
for Fire Hydrant or Fire Hose
Pin Lug,
2-1/2
" Female N
S
T (NH) x 2-1/2" Male N
PT
threads,
Rough Brass Finish
NNI
Model HSR
2525FM
NPT - National Pipe Thread
NH- National Hose Thread
NST- NAtional Standard Thread
COMMONLY USED THREADS
National Standard Thread
NH/NST
Straight Iron Pipe
NPSH/IPT
Standard Pipe
Thread
NPT/TIPT
British Standard
Pipe Thread
BSP
Size
ODM
TPI
ODM
TPI
ODM
TPI
ODM
TPI
¾"
1.375
8
1.035
14
1.050
14
1"
1.375
8
1.295
11.5
1.315
11.5
1.309
11
1½"
1.990
9
1.878
11.5
1.900
11.5
2"
2.515
8
2.352
11.5
2.375
11.5
1.882
11
2½"
3.068
7.5
2.841
8
2.875
8
3"
3.623
6
3.470
8
3.500
8
2.960
11
3½"
4.243
6
3.970
8
4.000
8
4.125
3
4"
5.010
4
4.470
8
4.500
8
4.625
3
4½"
5.760
4
4.970
8
5.000
8
5.125
3
5"
6.260
4
5.563
8
5.625
3
6"
7.025
4
6.625
8
6.625
3