MIL-DTL-26666G
4.4.1 Lot records. Manufacturers shall keep lot records for 3 years minimum. Manufacturers shall
monitor for compliance to the prescribed procedures, and observe that satisfactory manufacturing
conditions and records on lots are maintained for these hose assemblies. The records, including as a
minimum, an attributes summary of all quality conformance inspections conducted on each lot, shall be
available to review by customers at all times.
4.5 First article inspection. First article inspection shall be performed at a laboratory acceptable to
the procuring activity on sample units produced with equipment and procedures used in production.
4.5.1 Samples for first article. Samples for first article shall be representative of the products
proposed to be furnished to this specification. Sampling for hose assemblies shall be in accordance with
4.5.5.
4.5.2 First article inspection routine. All samples shall be subjected to first article testing in
accordance with table I. The test sequence shall be determined by the manufacturer unless otherwise
specified.
4.5.3 Acceptance of first article inspection. Required first article inspections (see table I) at the hose
assembly level that were already performed at the bulk hose level may be eliminated from assembly first
article testing if documented approval has been obtained from the procuring activity.
TABLE I. First article inspection.
Inspection
Requirement
Test method
Visual inspection
Configuraton
Cleanliness
Proof pressure
Leakage
Cold temperature flexing 1/
Leakage
Elongation and contraction
Tensile strength
Burst pressure
Overtightening torque
Pressure impulse cycling 2/
Ambient temperature
Leakage test
Elevated temperature
Leakage test
1/ Testing shall be performed in the order specified.
4.5.3.1 Waivers or deviations to specification requirements. All waivers or deviations to specification
requirements shall be coordinated through the preparing activity; Defense Supply Center, Columbus,
Attn: VAI, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to Construction@dscc.dla.mil.
4.5.4 Failures. All samples shall meet all of the contract requirements. Failure of a sample unit to
pass any test shall be cause for rejection of the entire lot and to grant first article approval.
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