A-A-59567/3
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.
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.
Working pressure. Working pressure shall be in accordance with A-A-59567.
Interface and physical dimensions. Hose assemblies supplied to this CID specification sheet shall meet
the general requirements specified in A-A-59567 and as specified herein.
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.
Construction. Unless otherwise specified, type III coupling parts shall be in accordance with A-A-59614/2
for class A and AA (except use rocker lug design) or A-A-59614/7 for style 7 class AA and B, except as
specified herein.
Couplings.
Class AA couplings. When attached to hose, class AA couplings shall be able to withstand an internal
hydrostatic pressure of 300 psi for sizes .500 through 1 inch, 250 psi for sizes 1.250 and 1.500 inch, 200
psi for sizes 2.000 through 4.000 inch, and 100 psi for sizes 4.500 through 5.000 inch, for at least one
minute without showing any signs of leakage.
Class B couplings. When attached to hose specified in, type III, class B couplings shall be able to
withstand an internal hydrostatic pressure as specified for class AA couplings and a 22-inch mercury
vacuum for at least one minute without loss of coupling seal or where the hose joins the coupling.
Coupling hose threads. Coupling hose threads shall be either National Hose (NH) or National Pipe
Straight Hose (NPSH) in accordance with FED-STD-H28/10.
NOTE: NH and NPSH threads are not interchangeable.
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