MIL-DTL-3992F
4. VERIFICATION
4.1 Classification of inspection. The inspection requirements specified herein are classified as
follows:
4.1.1 Type I.
a. Qualification inspection (see 4.3).
b. Conformance inspection (see 4.5).
4.1.2 Type II.
a. First article inspection (see 4.3).
b. Conformance inspection (see 4.4).
4.2 Inspection conditions.
4.2.1 Type I hose and hose assemblies inspection conditions. Unless otherwise specified, all
inspections shall be performed in accordance with the test conditions specified in 4.8.2.1, 4.8.2.2, 4.8.2.3,
temperature shall be defined as 60°F to 90°F (15.56°C to 32.22°C).
4.2.2 Type II hose and hose assemblies inspection conditions. Unless otherwise specified, all
inspections shall be performed in accordance with the test conditions specified in 4.8.2.1, 4.8.2.2, 4.8.2.3,
4.8.2.5, 4.8.4.1, 4.8.4.2, 4.8.4.3, 4.8.4.4, and 4.8.4.5. Unless otherwise specified, room temperature
shall be defined as 60°F to 90°F (15.56°C to 32.22°C).
4.2.1 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 used.
The establishment and maintenance of a calibration system to control the accuracy of the measuring and
test equipment shall be in accordance with NCSL Z540.1 or equivalent.
4.2.2 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.
4.2.3 Assembly distributor (type I). All manufacturing and/or assembling locations must be qualified
for listing on, or approved for listing on, the applicable qualified products list by the qualifying activity.
This includes manufacturing sites for the bulk hose and sites for assembling hose and fittings, regardless
of whether the site is operated by the original manufacturer or an authorized distributor producing hose
assemblies.
4.3 Qualification inspection (type I). 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 type I hose and hose assemblies.
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