MIL-DTL-52525/37B
Hose
Hose
Tube
C
Part or Identifying
Thread
ID
OD
OD
max
Number (PIN)
size
inches (mm)
inches (mm)
inches (mm)
inches (mm)
M52525/37-08-08
.50 (12.70)
.94 (23.88)
.50 (12.70)
.750-16
3.20 (81.28)
M52525/37-12-12
.75 (19.05)
1.21 (30.73)
.75 (19.05)
1.063-12
3.90 (99.06)
M52525/37-16-16
1.00 (25.40)
1.50 (38.10)
1.00 (25.40)
1.313-12
4.50 (114.30)
N
P
H hex
L
M
inches (mm)
inches (mm)
PIN
size
max
min
+.030 (0.76)
(see note 3)
inches (mm)
inches (mm)
inches (mm)
.005 (0.13)
-.015 (0.38)
M52525/37-08-08
.88 (22.35)
1.29 (32.77)
.384 (9.75)
.435 (11.05)
.570 (14.48)
M52525/37-12-12
1.25 (31.75)
1.73 (43.94)
.487 (12.37)
.562 (14.27)
.850 (21.59)
M52525/37-16-16
1.50 (38.10)
2.02 (51.31)
.505 (12.83)
.594 (15.09)
1.103 (28.02)
Q min
PIN
inches (mm)
M52525/37-08-08
.37 (9.40)
M52525/37-12-12
.56 (14.22)
M52525/37-16-16
.81 (20.57)
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Dimension P to be concentric with dimension Q within .015 inch (.038 mm).
4. Method of fabrication and assembly of swivel nut is optional.
FIGURE 1. Fitting, screw-on to 37 flare female swivel, straight - Continued.
REQUIREMENTS:
The fittings described herein are for use with hose in accordance with MIL-DTL-52471/9, 4-spiral-
wrap reinforcement hose, and hose assemblies in accordance with MIL-DTL-52471/10, type 100R12.
The fittings shall be as specified on figure 1 and in tables I, II, and III.
If fittings are to be used on an oxygen hose, see MIL-DTL-52525.
Materials and finishes shall be in accordance with MIL-DTL-52525 and in table I. All finishes shall be
capable of withstanding 96 hours minimum of salt spray.
2