MIL-DTL-52525/1D
H
Hose
Tube
Hex
Thread
Part or Identifying
C max
size
size
Number (PIN)
ID
OD
inches (mm)
dash
dash
Inches
(see note 3)
hose-tube
inches
inches
no.
no.
(mm)
(mm)
(mm)
.250
.250
.563
M52525/1-4-4
4
4
.438-20-UNF
2.88 (73.15)
(6.35)
(6.35)
(14.30)
.250
.313
.625
M52525/1-4-5
4
5
.500-20-UNF
2.94 (74.68)
(6.35)
(7.95)
(15.88)
.250
.375
.688
M52525/1-4-6
6
6
.563-18-UNF
3.05 (77.47)
(6.35)
(9.53)
(17.48)
.375
.375
.688
M52525/1-6-6
6
6
.563-18-UNF
3.16 (80.26)
(9.53)
(9.53)
(17.48)
.375
.500
.875
M52525/1-6-8
6
8
.750-16-UNF
3.25 (82.55)
(9.53)
(12.70)
(22.23)
.500
.500
.875
M52525/1-8-8
8
8
.750-16-UNF
3.33 (84.58)
(12.70)
(12.70)
(22.23)
.500
.625
1.000
M52525/1-8-10
8
10
.875-14-UNF
3.38 (85.85)
(12.70)
(15.88)
(25.40)
.625
.750
1.250
M52525/1-10-12
10
12
1.063-12-UNC
3.73 (94.74)
(15.88)
(19.05)
(31.75)
.750
.750
1.250
M52525/1-12-12
12
12
1.063-12-UNC
4.08 (103.63)
(19.05)
(19.05)
(31.75)
.750
.875
1.375
M52525/1-12-14
12
14
1.188-12UNC
4.31 (109.47)
(19.05)
(22.23)
(34.93)
1.000
1.000
1.500
M52525/1-16-16
16
16
1.313-12-UNC
4.54 (115.32)
(25.40)
(25.40)
(38.10)
1.250
1.250
2.000
M52525/1-20-20
20
20
1.625-12-UNC
5.47 (138.94)
(31.75)
(31.75)
(50.80)
1.500
1.500
2.250
M52525/1-24-24
24
24
1.875-12-UNC
5.85 (148.59)
(38.10)
(38.10)
(57.15)
2.000
32
2.000
2.875
M52525/1-32-32
32
2.500-12-UNC
6.53 (165.86)
(50.80)
(50.80)
(73.03)
P
N
Q min
(see note 4)
L max
M min
inches (mm)
PIN
bore dia.
inches (mm)
inches (mm)
inches (mm)
+.030 (0.76)
inches (mm)
±.005 (0.13)
-.015 (0.38)
M52525/1-4-4
.89 (22.61)
.300 (7.62)
.344 (8.74)
.295 (7.49)
.11 (2.79)
M52525/1-4-5
1.00 (25.40)
.331 (8.41)
.375 (9.53)
.355 (9.02)
.11 (2.79)
M52525/1-4-6
1.10 (27.94)
.333 (8.46)
.375 (9.53)
.435 (11.05)
.26 (6.60)
M52525/1-6-6
1.19 (30.23)
.333 (8.46)
.375 (9.53)
.435 (11.05)
.26 (6.60)
M52525/1-6-8
1.19 (30.23)
.375 (9.53)
.422 (10.72)
.570 (14.48)
.375 (9.53)
M52525/1-8-8
1.24 (31.50)
.375 (9.53)
.422 (10.72)
.570 (14.48)
.375 (9.53)
M52525/1-8-10
1.24 (31.50)
.461 (11.71)
.500 (12.70)
.680 (17.27)
.375 (9.53)
M52525/1-10-12
1.50 (38.10)
.469 (11.91)
.562 (14.27)
.850 (21.59)
.57 (14.48)
M52525/1-12-12
1.75 (44.45)
.469 (11.91)
.562 (14.27)
.850 (21.59)
.57 (14.48)
M52525/1-12-14
1.75 (44.45)
.516 (13.11)
.578 (14.68)
.975 (24.77)
.68 (17.27)
M52525/1-16-16
2.05 (52.07)
.563 (14.30)
.594 (15.09)
1.100 (27.94)
.78 (19.81)
M52525/1-20-20
2.63 (66.80)
.563 (14.30)
.625 (15.88)
1.410 (35.81)
1.01 (25.65)
M52525/1-24-24
2.94 (74.68)
.661 (16.79)
.734 (18.64)
1.625 (41.28)
1.25 (31.75)
M52525/1-32-32
3.50 (88.90)
.844 (21.44)
.938 (23.83)
2.240 (56.90)
1.72 (43.69)
FIGURE 1. Fitting, screw-on to 37° flare female swivel, straight - Continued.
2
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