A-A-1660 Envelope, Packing List (Single Safety Fold)This description covers water resistant envelopes for the protection of packing lists and other shipping documents using a single safety fold with a clasp type closure.

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A-A-1660A

B) Dimensions. Dimensions of the envelope shall be inside dimensions, exclusive of flags, folds, seals, or attachment holes. The opening shall be along the shorter side. Dimensions shall be as specified, with a tolerance of + 1/8 inch.

C) Workmanship. Envelopes shall be uniformly constructed and free from pinholes, tears, cuts, wrinkles, or any other defect which may affect their appearance or serviceability. When a printed legend is required, it shall be clear, legible, and waterproof.

2. QUALITY ASSURANCE:

A) Responsibility for Inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract, the contractor may use his own or any other 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 Commercial Item Description where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements.

B) Physical properties. The physical properties of the material 9 from which the envelopes are made shall be tested in accordance with the below methods. Sampling for these tests shall be in accordance with TAPPI T 400, Sampling and Accepting a Single Lot of Paper, Paperboard, Fiberboard or Related Product.

PHYSICAL PROPERTY	METHOD	REQUIREMENT LOCATION
Bursting Strength	TAPPI T 403	Para. I.A
Tearing Resistance	TAPPI T 414	Para. I.A

C) Sampling. Envelopes and shipping containers shall be sampled in accordance with MIL-STD-105, as indicated below, for the cited examinations and test.

1) Examination of the envelopes for Construction, Dimensions, and Workmanship. The lot size shall be expressed in envelopes. The sample unit shall be 1 envelope. The Inspection Level shall be S-2 the AQL shall be 2.5 percent defective.