A-A-59567/1
Hose. Hose shall be in accordance with A-A-59567.
Hose grade dash number:
-1 -
Commercial hose
-3 -
Weather and ozone-resistant hose
Class dash number:
-1 -
General non-potable water inner tube
-2 -
Potable water inner tube
Grade 1, class 1. Grade 1, class 1 hose is intended for general water discharge services.
Grade 3, class I or class 2. Grade 3, class 1 or class 2 hose is intended for water applications where
resistance to deterioration by weather and ozone is required.
Class 2 inner tube. Grade 1 or grade 3 hose with class 2 inner tube is for use with potable water.
Working pressure. Working pressure shall be in accordance with A-A-59567.
Hose assemblies. Hose assemblies shall be furnished with a male and female ends of the same type
style, class, and material as specified in the PIN.
Hose assembly size codes. Hose assembly size code shall be in accordance with table I.
Length of hose assembles. Length of hose assembles shall be measured in feet in accordance with
A-A-59567. Examples: 080 for 80 feet and 250 for 250 feet.
Tightening provisions. The male section shall have either lugs or wrench flats, and the swivel nut on the
female section shall have rocker lugs, pin lugs, or wrench flats, see figure 1.
Class A couplings (see table I). When attached to hose, class A couplings (garden hose) shall be able to
withstand an internal hydrostatic pressure of 100 psi for at least one minute without showing any signs of
leakage. See table I for hose assembly sizes available.
Class AA couplings (see table I). When attached to hose, class AA couplings shall be able to withstand
an internal hydrostatic pressure of 300 psi for sizes .50 through 1 inch, 250 psi for sizes 1.25 and 1.50
inch, and 200 psi for sizes 2.00 through 4.00 inch, for at least one minute without showing any signs of
leakage. See table I for hose assembly sizes available.
Threads. Threads shall be either NH or NPSH in accordance with FED-STD-H28/10, see table II.
NOTE: NH and NPSH threads are not interchangeable.
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