MIL-PRF-28523C
3.8 Workmanship. The finished hose assembly shall be free of any defect that may affect its
appearance and serviceability.
4. VERIFICATION
4.1 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.3).
4.2 First article inspection. The first article inspection shall be performed on one sample hose
length when a first article is required (see 3.1 and 6.2). This inspection shall include the
examination of 4.6, and the tests of 4.7. The first article may be either a first production item or a
standard production item from the supplier's current inventory provided the item meets the
requirements of the specification and is representative of the design, construction, and
manufacturing technique applicable to the remaining items to be furnished under the contract.
4.3 Conformance inspection. The conformance inspection shall include the examination of 4.6
and the tests of 4.7. This inspection shall be performed on the samples selected in accordance
with 4.7.
4.4 Component and material inspection. Components and materials shall be inspected in
accordance with all the requirements specified herein and in applicable referenced documents.
4.5 Sampling. Sampling and inspection procedures shall be in accordance with ANSI-Z1.4. The
unit of product shall be one hose and hose assembly. All hose and hose assemblies of the same
type and size offered for delivery at one time shall be considered a lot for the purpose of
inspection.
4.5.1 Sampling for examination. Guidance for inspection level and an Acceptable Quality Level
(AQL) is provided in 6.4.1.
4.5.2 Sampling for test. Guidance for inspection level and an AQL is provided in 6.4.2.
4.6 Examination. Each of the sample hose lengths shall be examined for compliance with the
requirements specified in section 3 of this document. This element of inspection shall encompass
all visual examinations and dimensional measurements. Noncompliance with any specified
requirement or presence of one or more defects preventing or lessening maximum efficiency shall
constitute cause for rejection.
4.7 Tests. Sample hose sections selected shall be subjected to the applicable tests specified in
table II and 4.7.1 through 4.7.8.
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