MIL-S-58112
4.5.5. Solar radiation test. Solar radiation test shall be performed as
specified in MIL-STD-810, Method 510.1-/11. This test shall be performed
on a rope assembly which was previously subjected to the proof load test.
After the solar radiation test, the rope assemblies shall satisfactorily
sustain 95 percent of the ultimate load specified in Table I.
4.6 Production testing. All loads shall be applied in the manner
prescribed on the applicable component drawing.
4.6.1 Proof test load. Each component of each sling set produced shall
be pulled to the proof loads indicated in Table I. The load shall be
relaxed and the part uder test examined for defects. Evidence of
permanent set, tears, distortion or separation is cause for rejection.
4.6.2 Ultimate load test. One rope assembly shall be selected at random
from examined samples in each inspection lot and pulled to the ultimate
load specified in Table I. Successsful completion of this test (no
breakage or separation below ultimate load) is required before acceptance
of the inspection lot.
4.6.3 Cyclic load test. One rope assembly shall be selected at random
from examined samples from the first inspection lot and subjected to the
cyclic load test specified in paragraph 4.5.3.
4.6.4 Retest. If any sling component fails to successfully complete any
production load testing, production shall be halted pending isolation of
failure causes. The Government will select, at its option, three
additional samples of the failed component from the applicable inspection
lot for retest. If the failure occurred on application of the proof load
test as specified in paragraph 4.6.1, the additional samples shall also be
subjected to the ultimate load test as specified in paragraph 4.6.2. All
samples shall successfully complete retesting of the failed test and
ultimate load testing, as applicable prior to resumption of production.
4.7 Records and documentation of eye splice. If the contractor elects
to use splicing methods other than those identified in paragraph 3.3.2,
such methods and inspection procedures must be documented and inspection
records maintained and available for evaluation by Government inspectors.
Conformance to either the recommended splicing practices or those of the
contractor's design does not of itself assure acceptability of the rope
assemblies. Government acceptance of rope assemblies will depend upon
successful completion of all tests in accordance with the requirements of
this specification.
4.8 Inspection of materials and components. The contractor is
responsible for insuring that materials and components used were
manufactured and inspected in accordance with the requirements of
referenced subsidiary specifications and standards to the extent
specified herein, or, if none, in accordance with the requirements
of this specification.
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