MIL-DTL-27267D
3.5.3.17 Cleanliness. Prior to shipping, the ends of each hose length shall be capped or plugged to
prevent entrance of moisture and foreign matter. The caps or plugs shall be securely attached and shall
withstand normal strains, jarring and vibrations encountered during shipping, storage and handling. The
interior surface of the hose assembly shall be free from oil, grease, dirt, moisture, cleaning solvents and
foreign materials. During individual conformance inspection, hose lengths with uncovered ends shall be
rejected and considered as failure. The interior of the hose shall not contain any debris or foreign
materials when examined in accordance with 4.6.3.17.
3.6 Product identification. The hose shall be marked in accordance with MIL-STD-130. Bulk hose
shall have metal or pliable plastic bands placed on each end of the hose and at five-foot intervals and
shall contain the following information:
a. PIN as specified in 6.3.
b. Operating pressure in psi.
c. Commercial and Government Entity (CAGE) code.
3.7 Workmanship. The hose shall be uniform in quality, free from foreign inclusions and defects in
materials and shall be finished in accordance with good commercial practices.
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein shall be classified as
follows:
a. Qualification inspection (see 4.4).
b. Conformance inspection (see 4.5).
4.2 Test equipment and inspection facilities. Test and measuring equipment and inspection facilities
of sufficient accuracy, quality, and quantity to permit performance of the required inspection shall be
established and maintained by the contractor. The establishment and maintenance of a calibration
system to control the accuracy of the measuring and test equipment shall be in accordance with
ISO 17025 and NCSL Z540.3 as applicable.
4.3 Inspection conditions. Unless otherwise specified, all required inspections shall be performed in
accordance with the test conditions specified in 4.6.
4.4 Qualification inspection. Qualification inspection shall be performed at a laboratory acceptable
to the Government qualifying activity (see 6.3) on sample units produced with equipment and procedures
used in production.
4.4.1 Samples for qualification. Samples for qualification shall be representative of the products
proposed to be furnished to this specification. Samples, consisting of 16 hose assemblies of each size
and of the lengths specified in table II, shall be subjected to qualification testing. Each sample shall be a
PTFE hose reinforced with braided CRES wires, as specified herein, and assembled with end fittings. In
addition, one 12-inch (305 mm) length of braided hose without end fittings and two 14-inch (356 mm)
lengths of tubing shall also be subjected to qualification testing.
4.4.2 Fittings used in qualification samples. For each size, manufacturers shall test 16 hose
assemblies, with reusable class 1 fittings, qualified to MIL-DTL-27272.
4.4.3 Qualification inspection routine. All samples shall be subjected to the qualification testing in
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