MIL-DTL-52525/14C
Maximum operating pressure shall be as specified in table III. Maximum operating pressures are for
low carbon steel fittings consult manufacturer for values on other materials.
TABLE III. Maximum operating pressures of fittings. 1/
SAE dash
Hose ID ref
psi
MPa
size
inches (mm)
-12
.750 (19.05) 5000 34.5
-16
1.000 (25.40) 4000 27.6
-20
1.250 (31.75) 3000 20.7
-24
1.500 (38.10) 2500 17.2
1/ Metric equivalents are given for information only.
PIN: The PIN consists of the letter "M" the specification sheet number, a dash, a number for hose
size, a dash, a number for tube size, a dash, a number for flange, and a material finish designator.
M
52525/14
-14
-12
A
Material/finish designator (see table II)
Size dash number for flange (see figure 1)
Size dash number for hose (see figure 1)
Specification sheet number
M prefix
PIN example: M52525/14-12-12A, describes a 45° split flange for a .750 inch (19.05 mm) hose, with
a .750 inch (19.05 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 IV is for reference only. SAE 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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