MIL-DTL-5886H
expansion not greater than 10 percent of the total volumetric expansion when tested as specified
(see 4.5.4).
3.4.4 Burst pressure. The cylinder shall burst at a pressure not less than 1,000 PSI
when tested as specified (see 4.5.5).
3.4.4.1 Cyclic endurance. The cylinder shall hold pressure during the cyclic
endurance portion of the test as specified (see 4.5.5.1).
3.4.5 Macrostructure defects. The cylinder shall show no evidence of abnormal
segregation, pipes, cracks, carbide defects, seams or abnormal change in structure from the
surface to the center when tested as specified (see 4.5.6).
3.4.6 Fragmentation. The cylinder shall remain in one piece and exhibit no evidence of
shattering when tested as specified (see 4.5.8).
3.4.7 Physical properties. The cylinder material sample shall have an ultimate tensile
strength that is not greater than 165,000 pounds per square inch and the elongation shall be not
less than 12 percent when tested as specified (see 4.5.10).
3.5 Weight. The weight of the cylinders shall be not greater than the values
specified in Table IV (see 4.5.1).
3.6 Exterior finish. The color of the finish shall be gloss yellow in accordance with color
number 13655 of FED-STD-595. The .375 X .750 hexagonal, wrench-flat surfaces and the
adjacent end of the bottle between the threads and these wrench flats may be left unpainted .The
external finish of all cylinders shall have a paint thickness not less than 0.001 inches. The paint
shall not crack, chip, or scale during normal service life or under extreme environmental
conditions (see 4.5.9).
3.6.1 Humidity. The exterior finish when exposed to humidity shall not show
evidence of corrosion, blistering, wrinkling or loss of adhesion (see 4.5.9.1).
3.6.2 Adhesion. The cured film coating shall have a classification not less than 4B as
specified in ASTM-D2247 (see 4.5.9.2).
3.7 Identification of product. Decals, if used in lieu of paint, shall be approved by the
procuring activity. The cylinders shall be marked for identification in accordance with MIL-
STD-130 and shall include the following information (see 4.5.1) and the color shall be a
durable dull (lusterless) black:
Oxygen Cylinder, Nonshatterable
M5886- *1
MIL-DTL-5886
Volume & Pressure *2
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