FF-P-110 Padlock, Changeable Combination \(Resistant To Opening By Manipulation And Surreptitious Attack\)This specification covers changeable combination padlocks designed to conform to the standards for security equipment as set forth in the "National Security Council Directive Governing the Classification, Downgrading, Declassification and Safeguarding of National Security Information". The padlocks are required to resist opening by manipulation and surreptitious techniques for the period of time specified. The padlocks are intended for use as indicated in 6.1. The padlocks are not tested for forced opening.

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FF-P-110J

4.5 Quality conformance inspection.

4.5.1 Sampling.

4.5.1.1 Sampling for examination. Sampling for examination shall be as specified in contract.

The lot shall be units produced at the same plant, by the same process with same materials, and of

the same design, all offered for delivery at one time, not to exceed 5,000 units per lot.

4.5.1.2 Sampling for tests. Padlocks shall be randomly selected from the lot submitted for

acceptance. Failure of any test shall be cause for rejection.

4.5.2 Examination. Samples selected in accordance with 4.5.1.1 shall be examined for defects as

specified in 4.6.1. Presence of any defect shall be cause for rejection.

4.5.3 Tests. The padlocks selected in accordance with 4.5.1.2 shall be subjected to the tests

specified in 4.6.2. Tests shall be performed in the order shown.

4.6 Inspection procedure. Prior to examination and tests, padlocks shall be lubricated and, unless

otherwise specified herein, all tests shall be conducted at the ambient air temperature at the test

site.

4.6.1 Defects. The padlocks with change keys, selected as specified, shall be examined for the

defects listed in Table I.

4.6.2 Tests. The test schedule shall be as shown in Table II, in the order shown.

4.6.2.1 Test conditions. Except as otherwise specified herein, tests shall be conducted as

prevailing temperatures and humidity in the test facility. Prior to examination and tests, padlocks

shall be lubricated unless otherwise specified herein.

4.6.3 Test procedures. For the purpose of the tests in 4.6.3.1, 4.6.3.2, and 4.6.3.6, the padlock

shackle shall be fastened to a hasp secured to the top-front of a four- or five-drawer steel filing

cabinet.

4.6.3.1 Manipulation technique test. There shall be no limit on the number of manipulation

techniques attempted and each technique may be applied for the full net working time, using the

human senses amplified as necessary to unlimited types of mechanical, electric, electronic, and

magnetic equipment. The tools and equipment shall be capable of being carried in a case not

exceeding 1.5 cubic feet (ft3) (0.04245 cubic meters (m3)) in volume and 9 inches (228.6 mm) in

thickness and which do not exceed a total weight of 25 pounds (lbs) (11.34 kilograms (kg))

(exclusive of weight of case). The padlock shall resist opening by manipulation techniques for the

period of time specified in 3.8.