MIL-DTL-6000D
4.4 Responsibility for compliance. All items shall meet all requirements of sections 3, 4, and 5. The
inspection set forth in this specification shall become a part of the contractor's overall inspection system
or quality program. The absence of any inspection requirements in the specification shall not relieve the
contractor of the responsibility of ensuring that all products or supplies submitted to the Government for
acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing
operations, is an acceptable practice to ascertain conformance to requirements, however, this does not
authorize submission of known defective material, either indicated or actual, nor does it commit the
Government to accept defective material.
4.5 Qualification inspection. Qualification inspection shall be performed at a laboratory acceptable
to the qualifying activity on sample units produced with equipment and procedures used in production.
Qualification inspection shall be performed on each nominal hose size (ID) and shall be qualified
individually.
4.5.1 Samples for qualification. Samples for qualification shall be representative of the products
proposed to be furnished to the Government. Samples shall be of one type and nominal size of hose
and shall be of the quantity and length specified in the applicable test method.
4.5.2 Qualification inspection routine. All samples shall be subjected to qualification test in table IV,
the sequence is at the manufacturer's discretion.
TABLE IV. Qualification inspection.
Requirement
Test
Inspection
paragraph
paragraph
Examination of product
Proof pressure
Burst pressure
Length change
Installation
Circulation
High temperature - 200 hours
High temperature - 50 hours
Low temperature flexibility
Bend radii
Adhesion
Iso-octane
Volume change
Ethylene glycol immersion
Oil immersion
Fuel immersion
Tensile strength
Fuel immersion
Elongation
Ethylene glycol immersion
Oil immersion
Fuel immersion
Crush resistance
Water and alcohol resistance
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