MIL-DTL-52525/6C
Hose
Tube
Thread
Part or Identifying
C max
ID ref
OD
size
Number (PIN)
inches (mm)
inches (mm)
inches (mm)
(see note 3)
M52525/6-4-4
.250 (6.35)
.250 (6.35)
.438-20-UNF
2.92 (74.17)
M52525/6-4-5
.250 (6.35)
.313 (7.95)
.500-20-UNF
2.97 (75.44)
M52525/6-6-6
.375 (9.53)
.375 (9.53)
.563-18-UNF
3.33 (84.58)
M52525/6-8-8
.500 (12.70)
.500 (12.70)
.750-16-UNF
3.85 (97.79)
M52525/6-8-10
.500 (12.70)
.625 (15.88)
.875-14-UNF
4.12 (104.65)
M52525/6-12-12
.750 (19.05)
.750 (19.05)
1.062-12-UNC
4.53 (115.06)
M52525/6-16-16
1.000 (25.40)
1.000 (25.40)
1.313-12-UNC
5.78 (146.81)
H hex
L max
M min
PIN
F max
size
inches (mm)
inches (mm)
(see note 3)
inches (mm)
inches (mm)
M52525/6-4-4
.39 (9.9)
.563 (14.30)
.87 (22.10)
.300 (7.62)
M52525/6-4-5
.42 (10.7)
.625 (15.88)
.87 (22.10)
.331 (8.41)
M52525/6-6-6
.45 (11.4)
.688 (17.48)
1.09 (27.69)
.333 (8.46)
M52525/6-8-8
.61 (15.5)
.875 (22.23)
1.20 (30.48)
.375 (9.53)
M52525/6-8-10
.69 (17.5)
1.000 (25.40)
1.20 (30.48)
.461 (11.71)
M52525/6-12-12
.84 (21.3)
1.250 (31.75)
1.59 (40.39)
.469 (11.91)
M52525/6-16-16
.95 (24.1)
1.500 (38.10)
2.02 (51.31)
.563 (14.30)
N
P (see note 4)
Q min
inches (mm)
inches (mm)
PIN
Bore diameter
+.030 (0.76)
±.005 (0.13)
inches (mm)
-.015 (0.38)
M52525/6-4-4
.344 (8.74)
.295 (7.49)
.11 (2.79)
M52525/6-4-5
.375 (9.53)
.355 (9.02)
.11 (2.79)
M52525/6-6-6
.375 (9.53)
.435 (11.05)
.26 (6.60)
M52525/6-8-8
.422 (10.72)
.570 (14.48)
.38 (9.65)
M52525/6-8-10
.500 (12.70)
.680 (17.27)
.38 (9.65)
M52525/6-12-12
.562 (14.27)
.850 (21.59)
.57 (14.48)
M52525/6-16-16
.594 (15.09)
1.000 (25.40)
.78 (19.81)
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Threads shall be in accordance with ASME B1.1 series with graded pitches fine (UNF) and series
with constant pitches (UNC), class 2B.
4. Dimension P to be concentric with dimension Q within .015 Inches (0.38 mm) full indicator
movement.
5. All dimensions not shown shall be in accordance with SAE-J516.
6. These fittings are similar to SAE-J516 type for use with SAE-J517, type 100R1 hose.
FIGURE 1. Fitting, screw-on to 37° flare, 45° bent tube - Continued.
2