MIL-DTL-27267D
3.4.2 Reinforcement. The reinforcement for the hose shall be braided CRES wires. Hoses under
size -16Z shall have a single layer of braid while size -16Z and above shall have two layers of braid. The
letter "Z" is used to indicate that two layers of wire braiding are required. The arrangement of the wires
over the tube shall provide sufficient strength to ensure conformance to the requirements specified
herein. Hoses with broken or missing reinforcing wires shall be cause for rejection; however, hoses with
crossed-over reinforcing wires shall not be accepted.
3.4.3 Hose end fittings. Hose shall be designed to connect with reusable fittings in accordance with
MIL-DTL-27272 and with permanent fittings in accordance with MIL-DTL-25579 and its applicable
specification sheets.
3.4.4 Dimensions. The cross section of the hose shall meet the requirements specified in table II.
TABLE II. Hose dimensional requirements. 1/ 2/
Over braid
Dash
ID
Tube wall thickness
OD
size
inch (mm)
inch (mm)
inch (mm)
+ .031 (0.79)
-4
.188 (4.78)
.040 (1.02)
.312 (7.92)
- .008 (0.20)
+ .031 (0.79)
-5
.250 (6.35)
.040 (1.02)
.375 (9.53)
- .008 (0.20)
+ .023 (0.58)
-6
.313 (7.95)
.040 (1.02)
.446 (11.33)
± .015 (0.38)
- .016 (0.41)
+ .007
+ .023 (0.58)
-8
.406 (10.31)
.043 (1.09)
.562 (14.27) - .016 (0.41)
(0.18)
- .005
+ .031 (0.79)
(0.13)
-10
.500 (12.70)
.047 (1.19)
.656 (16.66)
- .015 (0.38)
+ .020 (0.51)
-12
.625 (15.88)
.047 (1.19)
.789 (20.04)
± .023 (0.58)
- .010 (0.25)
-16Z
.875 (22.23)
+ .031 (0.79)
.047 (1.19)
1.109 (28.17)
± .031 (0.79)
- .024 (0.61)
-20Z
1.125 (28.58)
.050 (1.27)
1.359 (34.52)
± .031 (0.79)
-24Z
1.375 (34.93)
±.031 (0.79)
.070 (1.78)
1.672 (42.47)
± .035 (0.79)
1/ Dimensions are in inches.
2/ Metric equivalents are given for information only.
3.4.5 Length of bulk hose.
3.4.5.1 S designator for specific bulk hose lengths. When the order is for a specific length in feet, a
tolerance of ±1% of the required length shall be used.
3.5 Performance.
3.5.1 Operating temperature and pressure. The hose shall operate in the temperature range of
-65°F to 450°F (-54°C to 221°C) when assembled in class 1 hose assemblies in accordance with
MIL-DTL-25579. The maximum operating pressure shall be as specified in table III.
5
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business