MIL-PRF-28523C
The rate of travel of the power-actuated grip shall be 1-inch (25 mm) per minute.
Nonconformance to the requirements of table I shall constitute failure of this test.
4.7.7 Oil immersion. The tensile strength of the tube and cover, after immersion in oil No. 1,
shall be determined in accordance with ASTM D 471, using specimens cut with die C of
ASTM D 412. Tensile strength shall be based on the original cross-sectional area for the
specimen.
4.7.8 Ozone resistance test. Specimens of the cover, prepared as described in Procedure A of
ASTM D 518, shall be mounted in a 20 percent elongated position and tested in accordance with
ASTM D 1149. After conditioning for 24 hours in an ozone-free atmosphere, the mounted
specimen shall be exposed for 72 hours at 104 ± 2 °F (40 ± 1 °C) to an atmosphere containing
50 parts per hundred million of ozone. Visible cracking under 2X magnification at the end of
such test shall be cause for rejection.
5. PACKAGING
5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the
contract or order (see 6.2). When actual packaging of materiel is to be performed by DoD
personnel, these personnel need to contact the responsible packaging activity to ascertain requisite
packaging requirements. Packaging requirements are maintained by the Inventory Control Point's
packaging activity within the Military Department or Defense Agency, or within the Military
Department's System Command. Packaging data retrieval is available from the managing Military
Department's or Defense Agency's automated packaging files, CD-ROM products, or by
contacting the responsible packaging activity.
6. NOTES
(This section contains information of a general or explanatory nature that may be helpful, but is
not mandatory.)
6.1 Intended use. The hose covered by this specification is intended for pile driving, grading,
surface stripping, hydraulic mining, air compressor use, and other applications requiring high
pressure water service and air service.
6.2 Acquisition requirements. Acquisition documents will specify the following:
a. Title, number, and date of this specification.
b. Size of hose required (see 1.2 and 3.7).
c. Issue of DoDISS to be cited in the solicitation, and if required, the specific issue of
individual documents referenced (see 2.2.1 and 2.3).
d. When first article is required for inspection and approval (see 3.1, 4.2, and 6.5).
e. When couplings are required (see 3.4).
f. If hose length will be other than 50 feet (15 240.00 mm) (see 3.7).
g. Packaging requirements (see 5.1).
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