MIL-DTL-26633E
4.4.5 Failures. One or more failures shall be cause for refusal to grant qualification.
4.5 Conformance inspections.
4.5.1. Individual inspection. Individual inspection shall consist of the inspections specified in table
IV in the order shown.
TABLE IV. Individual inspections. 1/
Requirement
Inspection
Number of samples
Test
paragraph
paragraph
Examination of products
100%
Configuration
100%
Cleanliness
SAE-AS611
Proof pressure
100%
1/ All nonconforming items shall be removed and not supplied to this specification.
4.6 Sampling and periodic inspection. Sampling and periodic inspections shall consist of the
inspections specified in table V.
4.6.1 Sampling inspection samples. Samples shall be randomly selected from hose assemblies that
have been subjected to and passed all the applicable individual inspections. Note: Cleanliness
inspection is performed on a sampling basis and it is understood that samples may or may not have been
subjected to this inspection.
4.6.1.1 Number of sampling hose assembly samples. For each size manufactured under essentially
the same conditions, sampling control testing shall be performed on either eight (8) samples from every
3,000 hose assemblies produced (large lot option) or 1 sample from every 375 hose assemblies. If there
has been some production but the number of hose assemblies produced has not reached 375 for a
specific size within three years, the manufacturer shall perform sampling control tests on 1 hose
assemblies of that size unless documented approval has been obtained from the qualifying activity.
Required sampling tests at the hose assembly or fitting level that were already performed at the bulk hose
level may be eliminated if documented approval has been obtained from the qualifying activity. Sampling
samples may be subjected to more than one sampling test at the discretion of the manufacturer.
However, the manufacturer assumes the risk that the effect of one test will not have a detrimental impact
on the following test.
4.6.1.2 Sampling hose assembly samples. Hose assemblies shall be fabricated using the same
manufacturing techniques, processes, and procedures used to supply hose assemblies to this
specification. The hose assembly samples shall be 18 ±6 inches (45.72 ± 15.24 cm) long. The hose
assemblies shall be tested in accordance with the individual inspections in table III, except cleanliness,
and then subjected to the sampling testing in table V.
4.6.2 Sampling inspection nonconformance. If a sample fails to pass any sampling inspection, see
table IV, the manufacturer shall immediately notify the qualifying activity and cognizant inspection activity
of such failure. The manufacturer shall take corrective action on the materials or processes or both as
warranted, on all units of product which can be corrected and which were manufactured under essentially
the same conditions, with essentially the same materials and processes, and which are considered
subject to the same failure. Acceptance of the product shall be discontinued until corrective action
acceptable to the qualifying activity has been taken.
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