MIL-DTL-52525/34B
The operating pressure shall be as specified in table II. Maximum operating pressures are for low
carbon steel fittings consult manufacturer for values on other materials.
TABLE II. Maximum operating pressures of fittings. 1/ 2/
Maximum
Hose ID
operating
inches (mm)
pressure
psi
MPa
.75 (19.05)
6250
43.1
1.00 (25.40)
5000
34.5
1/ Dimensions are in inches.
2/ Metric equivalents are given for
information only.
PIN: The PIN consists of the letter "M" the specification sheet number, a dash, a number for the hose
size a dash, a number for flange size, and a material finish designator.
52525/34
-16
-16
A
M
Material/finish designator (see table I)
Size dash number for flange (see figure 1)
Size dash number for hose (see figure 1)
Specification sheet number
M prefix
PIN example: M52525/34-16-16A, describes a straight 4-bolt split flange for a 1.00 inch (25.40 mm)
hose ID and 1.00 inch (25.40 mm) flange, aluminum with an anodized finish.
To the users of this document, it is recommended that the use of carbon steel material with cadmium
plating be used only when the other materials and finishes specified in this document cannot meet
performance requirements.
Color identification. Color identification shall be in accordance with SAE-AS4841.
Marking shall include the manufacturer's name or trademark, size, and hose identifier 100R10.
Location of marking is optional.
Harmonization to SAE-J516 cross reference PIN in table III is for reference only. SAE-J516 style
fittings may not have the same material/finish as required by MIL-DTL-52525 and legacy with
MIL-DTL-52471.
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