MIL-DTL-26499E
3.6.2 Cleaning requirements. The hose assembly cleaning, processing, testing and inspection shall be
in accordance with SAE AS 611, class II to assure compatibility with 99.5 percent pure oxygen at a
pressure of 2,400 psig (165.47 bar) and compliance with the cleaning effectiveness requirements of
3.6.3 Preservation. Preservation for hose assemblies shall be in accordance with SAE AS611, class II.
3.7 Identification of product. For hose sizes under 4 feet (1.22 m) each hose assembly shall be
identified by a permanently attached snug-fitting aluminum or stainless steel band around the hose near
the end fitting. Hose assemblies 4 feet (1.22 m) and greater in length, a band shall be attached near
each end fitting of the assembly. The metal band shall be marked in raised, etched, or stamped lettering
with the following information appropriately identified:
a. Date of assembly in month and year.
b. The rated working pressure in psi, followed by the word "OXYGEN".
c. Hose assembly manufacturer's commercial and government entity (CAGE).
d. Hose manufacturer's CAGE if different from hose assembly manufacturer.
e. Specification PIN (see 1.2).
3.8 Workmanship. All hose and hose assemblies shall be manufactured and processed in such a
manner as to be uniform in quality and shall be free from foreign material and other defects that will affect
life, serviceability, strength, assembly or durability (see table I). Workmanship shall be such as to enable
the hose and hose assemblies to meet the applicable performance requirements of this specification.
TABLE I. Workmanship defects.
Defect
Inspection
Reference
Dimensions affecting
Standard inspection
interchangeability not within
equipment
tolerance
Hose inside diameter at fitting
Standard inspection
junction out of tolerance
equipment
(hose assembly only)
Fitting slippage on hose
Visual
N/A
Braided covering - Damaged,
cut, or abraded cover (any
Visual
N/A
reinforcement exposed)
Braided covering - Broken end or
ends in the wire reinforcements
Visual
N/A
protruding from the surface of the
braid
Braided covering - Missing
Visual
N/A
strands on braided outer cover
Kinked, crushed, flattened or
Visual
N/A
twisted hose
Silver solder uniform, adequate
Visual
penetration and no balling
Misbranding
Visual
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