MIL-PRF-83772C
oil-free air or gaseous nitrogen (see 6.4) and shall then have their ends sealed. The interior of the
inner hose and end fittings of the cleaned hose assemblies shall meet the requirements listed
below:
a. Particle (metal or non-metal;) count and sizes
(1) No particle greater than 2500 microns.
(2) No more than 1 particle between 700 and 2500 microns.
(3) No more than five particles between 175 and 700 microns.
b. Non-volatile residue shall not exceed 0.001 grams per square foot of the inner hose
interior surface area.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are
classified as follows:
a. Qualification inspection (see 4.4).
b. Conformance inspection (see 4.5).
4.1.1 Requirements cross-reference matrix. Table I provides a cross-reference matrix of
the section 3 requirements tested or verified in the paragraphs below.
4.2 Test conditions. Unless otherwise specified, all tests shall be performed at an
ambient temperature of 70 ±10°F.
4.3 Test report. The results of this testing shall be documented as prescribed by the
procuring activity (see 6.2).
TABLE I. Requirements cross-reference matrix.
Requirement
Verification
Requirement
Verification
3.1.1
4.4.3, 4.4.4
3.2.6
4.4.6
3.2.1
4.4.4
3.2.7
4.4.8
3.2.2
4.4.9
3.4
4.4.3
3.2.3
4.4.7
3.4.1
4.4.3
3.2.4
4.4.5.1
3.5
4.4.2
3.2.5
4.4.5.2
4.4 Qualification inspections. These qualification tests shall be performed on 1 hose
assembly. The tests shall be performed in the order presented below.
4
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