A-A-53322
Head sling stitching shall be lock stitch, type 301, with 6 to 10 stitches per inch. Thread breaks shall be backstitched not less than 1/2 inch. The thread for stitching shall be nylon number 50, or equal. Stitching shall be uniform. The sling shall have no raw edges. Thread ends shall be trimmed throughout.
The head sling shall support a minimum weight of 75 pounds, spread uniformly over the area between the stitching of the pad, without any visible evidence of damage.
The design of the head sling shall prevent pressure on the neck, carotid artery, or nerves.
The sling shall have no mend, patch, burn, or needle chew. The sling shall be clean.
Workmanship. The head sling shall be free from defects which detract from its appearance or impair its serviceability.
Unit. Each (EA). One head sling, as specified, constitutes one unit.
Quality Assurance Provisions.
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 contact or purchase order, the contractor may use his own or any 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.
Records. Records of examinations and tests performed by or for the contractor shall be maintained by the contractor and made available to the Government upon the Government’s request, at any time, or from time to time, during the performance of the contract and for a period of three years after delivery of the supplies to which such records relate.
Inspection. Inspection, as used herein, is defined as both examination (such as visual or auditory investigation without the use of special laboratory appliances or procedures) and testing (determination by technical means of physical and chemical properties) of the item.
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