TM 1-1500-204-23-2
Table 4-26. Tetrafiouroethylene Hose MIL-H-38360 (In Inches)
Hose size
Hose ID
Tube wall thickness
Hose OD
Bend radius
—4
0.212
0.035
0.390
3.000
—6
0.298
0.035
0.485
5.000
—8
0.391
0.045
0.605
5.750
—10
0.485
0.045
0.720
6.500
—12
0.602
0 045
0.884
7.750
—16
0.852
0.045
1.280
9.625
—20
1.101
0.045
—
12.000
4
Install sleeve. Carefully insert sleeve between braid and tube OD, using caution that no
wires are trapped between the sleeve and tube OD. Complete positioning by pushing end of sleeve against flat surface
until tube bottoms against shoulder in sleeve ID. Visually Inspect to see that tube end is bottomed against sleeve
shoulder and that no wires are trapped under sleeve (see figure 4-50, detail D).
5
Size tube to sleeve. Size tube to sleeve by pushing hose onto the nipple until the sleeve
bottoms against the nipple chamfer. Remove and recheck to be certain that the sleeve is still properly positioned. Again
push hose onto the nipple until the sleeve is bottomed against the nipple chamfer (see figure 4-50, detail E).
NOTE
When assembling new fittings, no lubrication is needed because component parts are dryfilm lubricated at
the time of manufacture.
6
Engage socket and tighten. Slide socket forward and thread onto nipple by hand. (Special
tool required for -12 size. ). Remove assembly and place the socket in vise. Using a wrench on the nipple hex, tighten
to a gap of 1/32 inch nominal for all sizes. (Gap may vary from 0.023 to 0.046 inch) (see figure 4-50, detail F). Z
Measure gap. Gap is measured between socket and nipple hex, as shown In figure 4-50, detail G.
NOTE
Standard elbow fittings may be assembled using the procedure above. Special elbows may be assembled
by holding the nipple In a vise.
(c)
Setting position angle on elbow hose assemblies. Refer to paragraph 4-51 (11).
(7)
Cleaning, inspection, and proof testing. Hose assemblies are cleaned, inspected, and proof tested as
described in the following paragraphs.
NOTE
Proof test shall be verified by quality control personnel.
(a)
Cleaning. Clean hose after cutting to length. Be sure all cutting residue is dislodged. After
assembly, clean each hose assembly internally using clean, dry compressed air.
4-71
