MIL-DTL-26666G
4.5.5 First article samples. Unless otherwise specified, after award of the contract or order, the
manufacturer shall forward six hose assemblies, 24 inches ± 6 inches (609.6 ± 152.4 mm) long,
fabricated from random samples of the bulk hose and end fittings. Samples for the tensile and burst
pressure tests may be reduced to a 12 inch (304.8 mm) length to accommodate test equipment, if
necessary. The samples shall be representative of the construction, workmanship, components, and
materials to be used during production. When a manufacturer is in continuous production of the hose
assemblies from one contract to another, submission of additional first article samples for a new contract
may be waived at the discretion of the acquiring activity (see 6.2).
4.5.5.1 First article information. Upon completion of first article inspection, the Government activity
responsible for conducting the inspection program (see 6.2), shall report the results of the inspection, with
appropriate recommendation, to the contracting officer. Approval of the first article samples or the
waiving of first article inspection does not preclude the requirements for performing individual, or
sampling and periodic inspections.
4.5.5.2 Disposition of samples. First article samples shall be furnished to the Government as
directed by the contracting officer (see 6.2).
4.6. Conformance inspection. For manufacturers that have successfully passed first article
inspections and are continuously producing hose assemblies to this specification, on going inspections
shall consist of individual inspections (see table II) and sampling and periodic inspections (see table III).
If first article is waived due to prior successful first article inspection, the individual inspections and
sampling and periodic inspections shall be the manufactures in house inspection procedures.
4.6.1. Individual inspection. Individual inspection shall consist of the inspections specified in table II
in the order shown. Individual inspections shall be implemented on a continual basis throughout the
production of hose assemblies.
TABLE II. Individual inspections.
Requirement
Inspection
Number of
Inspections
samples
paragraph
paragraph
Visual inspection
100%
Configuration
100%
Cleanliness
100%
Proof pressure 1/
100%
1/ Without the 160°F (71.11°C) conditioning period.
4.6.2. Individual inspections. Individual inspection tests specified in table II shall be performed on a
production lot basis.
4.6.2.1 Nonconformance individual inspections. If one or more defects are found in the inspection
lot, then the production lot shall be screened for that particular defect and defects removed. An
inspection lot shall be selected from the production lot and all individual tests (see table II) shall be
performed. If one or more defects are found in the second inspection lot, the production lot shall be
rejected and shall not be supplied to this specification. Test data of part performance shall be made
available to the contracting agency upon request.
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