MIL-DTL-52618F
4.2 Test equipment and inspection facilities. Test and measuring equipment and inspection facilities
of sufficient accuracy, quality, and quantity to permit performance of the required inspection shall be
established and maintained or identified by the contractor. The establishment and maintenance of a
calibration system to control the accuracy of the measuring and test equipment shall be in accordance
with ISO 17025 and NCSL Z540.3 as applicable.
4.2.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the
contractor is responsible for the performance of all inspection requirements as specified herein. Except
as otherwise specified in the contract or order, the contractor may use his own or any other facilities
suitable for the performance of the inspection requirements specified herein, unless disapproved by the
Government. The Government reserves the right to perform any of the inspections set forth in the
specification where such inspections are deemed necessary to assure supplies and services conform to
prescribed requirements.
4.2.3 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 fittings. 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
4.3 First article inspection. When specified in the contract or purchase order (see 6.2), samples that
are representative of the production item shall be subjected to first article inspection after the Government
has awarded the contract. First article inspection shall be performed in accordance with table I to
determine whether the production items meet the requirements of this specification.
TABLE I First article inspection.
Test
Requirement paragraph
Test paragraph
Visual
Threads
Proof test (Air)
Proof test (Hydrostatic)
Finish
4.3.1 Responsibility for compliance. All items shall meet all requirements of sections 3, 4, or 5. The
inspection set forth in this specification shall become a part of the contractor's overall inspection system.
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
acceptance of defective material.
4.3.1.1 Waivers or deviations to specification requirements. All waivers or deviations to specification
requirements shall be coordinated through the preparing activity; DLA Land and Maritime, Attn: VAI, P.O.
Box 3990, Columbus, OH 43218-3990, or emailed to Fluidflow@dla.mil.
4.3.1.2 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 refusal to grant first article approval.
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