MIL-DTL-44431B
4. VERIFICATION
4.1.Verification for compliance. All items shall meet all requirements of sections 3 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 and 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.
4.1.1 Certificate of compliance. When certificates of compliance are submitted, the Government
reserves the right to inspect such items to determine the validity of the certification.
4.2 Classification of inspections. The inspection requirements specified herein are classified as
follows:
a. First article inspection (see 4.3)
b. Quality conformance inspection (see 4.4)
4.3 First article inspection. When a first article is required (see 3.1 and 6.2), it shall be examined
for appearance, color, and finish defects and tested for the characteristics specified in table III.
4.4 Quality conformance inspection.
4.4.1 Component and material inspection. In accordance with 4.1, components and materials
shall be inspected in accordance with all the requirements of referenced documents unless
otherwise excluded, amended, modified, or qualified in this specification or applicable purchase
document.
4.4.2 End item examination.
4.4.2.1 Yard-by-yard examination. Each roll in the sample shall be examined on the face side
only. When the total yardage in the roll does not exceed 100 yards, the entire yardage in the roll
shall be examined. When the total yardage in the roll exceeds 100 yards, only 100 yards shall be
examined. All defects, as defined in section III of FED-STD-4, that are clearly noticeable at
normal inspection distance (3 feet) shall be scored and assigned demerit points as listed in
4.4.2.1.1. No linear yard (increments of 1 yard on the measuring device of the inspection
machine) from any one roll shall be penalized more than four points. The sample size shall be 20
rolls selected from 20 containers. The lot shall be unacceptable if the points per 100 square yards
of the total yardage examined exceeds 30.0 points. The lot shall be unacceptable if the points
per 100 square yards of two or more individual rolls exceeds 45.0 points per 100 square yard, a
second sample of 20 rolls shall be examined for roll quality only. The lot shall be unacceptable if
one or more rolls in the second sample exceed 45.0 points per 100 square yards. Point
computation for lot quality and individual roll quality shall be as follows:
Total points scored in sample x 3600 ______________________________= Points per 100
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