MIL-DTL-43649D(GL)
g. Make a ½ inch fold under on each edge of the patch material and baste the patch to the
prepared area.
h. Remove the pushpins securing the item to the repair table and secure the patch by
machine stitching, using the applicable details in figure 1. The stitching should be accomplished
with thread that is contrasting in color to the fabric. Thread shall be V-T-295, size E nylon,
types I, II or III, class A. The stitching shall be type 301, using 7 to 11 stitches per inch in
accordance with ASTM D 6193. Backstitch ends of stitching ½ inch minimum or overlap the
ends of stitching 2 inches minimum or 4 inches maximum.
3.4 Workmanship. The workmanship shall conform to the quality of product established by
this specification.
4. VERIFICATION
4.1 Classification of Inspections. The inspection requirements specified herein are classified
as follows:
a. First article inspection (see 4.2).
b. Conformance inspection (see 4.3).
4.2 First article inspection. First article inspection shall be performed on one complete
parachute assembly, when a first article sample is specified (see 3.1). This inspection shall
include the tests and examinations of 4.3.1, 4.3.2, 4.4, 4.5 and 4.6. Any defect or
nonconformance shall be cause for rejection of the first article.
4.3 Conformance inspection. Conformance inspections shall include the examinations of
4.3.1, 4.3.2, 4.4., 4.5 and 4.6. Sampling plans and acceptance/rejection criteria for 4.4, 4.5 and
4.6 shall be as specified in the contract or purchase order. Parachute assemblies which fail the
acceptance criteria shall be cause for rejection of the lot.
4.3.1 Component and material inspection. Components and materials shall be inspected in
accordance with all of the requirements of referenced documents unless otherwise excluded,
amended, modified, or qualified in this specification or applicable purchase document.
4.3.2 In-process inspection. Inspection of subassemblies shall be made to ascertain that
construction details and dimensional requirements, which cannot be examined in the finished
product, are in accordance with specified requirements. The Government reserves the right to
exclude from consideration of acceptance any material or service for which in-process inspection
has indicated nonconformance.
4.4 End item visual examination. The end items shall be examined for the defects listed in
the applicable tables of 1 thru V. Any nonconformance to the TDP shall be classified as a defect.
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