MIL-DTL-8788F
TABLE IV. Individual inspection.
Requirement
Test method
Inspection
paragraph
paragraph
Examination of product
Proof pressure
TABLE V. Sampling inspection and periodic inspection.
Requirement
Test method
Sampling
Periodic
Inspection
paragraph
paragraph
inspection
inspection
Elongation and contraction
X
Leakage
X
Burst pressure
X
Impulse 1/
X
1/ Aging is not required for periodic inspection.
4.5.2 Sampling inspections sample plan. Hose length, randomly selected from a production lot shall
be subjected to the sampling inspections specified in table V.
4.5.2.1 Production lot. A production lot shall consist of 750 feet of hose of one size manufactured
essentially the same time with the same material, process, and control during the continuous production
run.
4.5.2.2 Sampling for inspection (bulk hose). Sampling for bulk hose shall be selected at a rate of 1
sample for each full or partial increment of 750 feet (228.60 m) of hose produced in the continuous run,
up to a maximum of 2 samples. For continuous runs greater than 1500 feet (2286 m), 2 samples,
representative of the entire production run, shall be selected.
4.5.3 Periodic inspections sampling plan. Hose length, randomly selected from a production lot shall
be subjected to the periodic inspections specified in table V.
4.5.3.1 Periodic inspection . Periodic inspection shall be 4 samples tested to each required periodic
inspection for every 20,000 feet (6096 m) of bulk hose (large lot option). At the option of the
manufacturer, 1 sample may be tested to the required periodic inspection for every 5,000 feet
(1524 m) as applicable (small lot option).
4.5.3.2 Reduced production bulk hose. If there has been some production, but the footage of bulk
hose produced has not reached 5,000 feet (1524 m) for one size within three years, the manufacturer
shall perform periodic control tests on one sample of any size desired, the required periodic test, unless
documented approval to not perform the test has been obtained from the qualifying activity.
4.5.3.3 Disposition of test specimens. Test specimens that have been subjected to sampling and
periodic inspection, see table V, shall not be delivered on the contract or purchase order.
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