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Parker ISO Conversion Fittings are designed to the highest quality standards to allow connections between components and systems which use both NPT and ISO Thread configurations. Conversion fittings are maintained under strict quality control programs.

NOTE:
Used to connect a male BSPT and a female NPT threaded component.
Female BSP Taper to Male NPT Adapter
Unit of Measure
1 

Item #

Connection Type

BSPT Thread T1

NPT Thread T2

W HEX

D

R

Working Pressure (Brass)

Working Pressure (Stainless Steel)

2K-2 RA N/A FBSPT x MNPT N/A 1/8-28 N/A 1/8-27 N/A 9/16 in N/A 1.09 in N/A .38 in N/A 3200 psi220 bar N/A 6100 psi420 bar
4K-4 RA N/A FBSPT x MNPT N/A 1/4-19 N/A 1/4-18 N/A 3/4 in N/A 1.42 in N/A .56 in N/A 3300 psi230 bar N/A 6200 psi430 bar
6K-6 RA N/A FBSPT x MNPT N/A 3/8-19 N/A 3/8-18 N/A 7/8 in N/A 1.49 in N/A .56 in N/A 2600 psi180 bar N/A 5000 psi340 bar
8K-8 RA N/A FBSPT x MNPT N/A 1/2-14 N/A 1/2-14 N/A 1 1/8 in N/A 1.94 in N/A .75 in N/A 2400 psi160 bar N/A 4600 psi320 bar
12K-12 RA N/A FBSPT x MNPT N/A 3/4-14 N/A 3/4-14 N/A 1 5/16 in N/A 2.00 in N/A .75 in N/A 2300 psi160 bar N/A 4300 psi300 bar
16K-16 RA N/A FBSPT x MNPT N/A 1-11 N/A 1-11 1/2 N/A 1 5/8 in N/A 2.28 in N/A .94 in N/A 2200 psi150 bar N/A 4100 psi280 bar
Unit of Measure
1