MIL-R-83283A(USAF)
4.5.3 Sampling plan A. Whenever possible, the end item, or specimens cut from the end item, shall be used as the sample. If these items are unsuitable for use as test samples, such as being fabric reinforced, tests shall be performed on 6 by 6 by 0.075
+0.005 inch samples of identical composition and comparable state of cure as that of
the end item. The samples shall be subjected to the following tests that are conducted on each lot of material:
Original (Table III) Air aged (4.6.3)
Tensile strength Tensile strength Elongation Elongation Hardness Hardness
Tear strength Compression set
Tension set
Specific gravity
4.5.3.1 Rejection criteria. A lot shall be rejected upon the failure of the samples to meet the test requirements specified herein. A lot that has been rejected may be reworked to correct the deficiencies and resubmitted for acceptance.
4.5.4 Sampling plans B, C, and D. Examination of the end item shall be in accordance with the classification of defects, inspection levels, and acceptance quality levels (AQL's) set forth herein. The lot size, for the purpose of determining the sample size in accordance with MIL-STD-105, shall be expressed in units of finished parts, for examinations as specified herein (see 4.5.4.1, 4.5.4.2, and 4.5.4.3).
4.5.4.1 Sampling plan B - Examination for defects in appearance and workmanship. The sample unit shall be one finished part and the examination shall be accordance with MIL-STD-407. The sample size shall be in accordance with MIL-STD-105, inspection level II, and the AQL related to percent (%) defective shall be 1.5.
4.5.4.2 Sampling plan C - examination for dimensional defects The sample unit shall be one finished part. The dimensions shall be within the tolerances specified on the drawing as supplied by the procuring activity (see 6.2). The sample size shall be in accordance with inspection level II of MIL-STD-105 and the AQL related to percent defective shall be 1.5.
4.5.4.3 Sampling plan D - inspection for defects in packaging for delivery. An examination in accordance with table II shall be made to determine that the packaging, packing, and markings comply with section 5 and are in accordance with the applicable methods specified in table II. The sample unit for this inspection shall be one shipping container fully packed, selected just prior to the closing operation. Shipping containers fully prepared for delivery shall be inspected for closure defects.
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