MIL-DTL-52525/10D
Maximum operating pressure shall be as specified in table II.
TABLE II. Maximum operating pressures of fittings. 1/ 2/
Steel, CRES,
titanium,
nickel-copper
Aluminum
SAE
Hose ID
alloy , and
dash size
inches (mm)
high-chromium
nickel
psi
MPa
psi
MPa
-8
.500 (12.70)
3500 24.1
2500
17
-10
.625 (15.88)
2750 19.0
1750
12
-12
.750 (19.05)
2250 15.5
1650
11
-16
1.000 (25.40)
2000 13.8
1000
7
-20
1.250 (31.75)
1625 11.2
850
6
-24
1.500 (38.10)
1250
8.6
750
5
-32
2.000 (50.80)
1125
7.8
600
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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 hose
size, a dash, a number for tube size, a dash, a number for flange, and a material finish designator.
52525/10
-20
-24
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: M52525/10-20-24A, describes a split flange for a 1.250 inch (31.75 mm) hose, with a
1.500 inch (38.10 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 R2. Location of
marking is optional.
Harmonization to SAE-J516 and SAE-J518 cross reference PIN in table III 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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