OO-S-256 Sewing Machine, Industrial, General Specification ForThis specification covers the general requirements for commercial, industrial sewing machines used in the textile and leather industry. The specific requirements for the individual sewing machines are covered by the detail specifications listed in 6.6.

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OO-S-256K/GEN

4.1.2 Component and material inspection. Components and materials shall be inspected in accordance with all the requirements specified herein and in application referenced documents.

4.1.3 Examination of preparation for delivery. An examination shall be made to determine that the packaging, packing and marking comply with the requirements in Section 5 of this specification

4.2 Classification of inspection. 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

3.2), it shall be examined for the defects specified in 4.4.2 and 4.4.3 and

tested for the characteristics specified in 4.4.4 and as specified in the applicable test paragraph of the detail specification. The presence of any defect or failure to pass any test shall be cause for rejection of the first article.

4.4 Quality conformance inspection. Unless otherwise specified, sampling for inspection shall be performed in accordance with ASQC Z1.4. Unless otherwise specified, the Acceptable Quality Levels (AQLs) listed in this inspection shall be used to establish the sample size, however, the acceptance number shall be zero.

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 the referenced specifications, documents, drawings, standards unless otherwise excluded, amended, modified, or qualified in this specification or applicable purchase document.

4.4.2 End item visual examination. The end items shall be examined for the defects listed in table II. The lot size shall be expressed in units of sewing machines of one type and class only. The sample unit shall be one sewing machine. The inspection level shall be II and the acceptable quality level (AQL), expressed in terms of defects per hundred units, shall be 2.5 for major defects and 6.5 for total (major and minor combined) defects.