MIL-W-21993 Wire Rope Assembly, Mooring, Mark 1 Mod 1

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MIL-W-21993B(OS)

4,4.2 First article sample approval. First article sample approval

will be granted when the Government testing act ivit y, through testing and

subsequent analysis of the test results, is assured of contractor conformance

to the contract technical requirements. Conditional acceptance may be granted

at the option of the Government based on analysis of detected defects. A

first article sample may be disapproved when either nonconforming character-

istics or unauthorized materials are found.

4.5 Quality conformance inspection (see notes, Table I).

4.5.1 100% inspection. Each unit shall be subjected to the examinations

and test (designated as 100) in 4.7,1 and 4.7.2. Any unit containing one

or more defects shall be cause for rejecting the unit.

4.5.2 Sampling. The tests of 4.7.3 (designated as sampling shall

be conducted on a random sample of assemblies selected from each production

of 1.0 percent. Failure of the sample to meet this requirement shall cause

the lot to be rejected. Lot composition shall be in accordance with

mil-std-105 Section 5.

4.6 Periodic production inspection, Periodic production tests

consisting of the tests of 4.7 (as specified in Table I), shall be

conducted by a designated Government Testing activity on a random sanple

of two packaged wire rope assemblies, unless otherwise specified (see 6.2.h),

selected f from each production lot offered for accept ante. When a unit

fails to pass any periodic production test, such failure shall be cause

for rejection of the periodic sample and the lot it represents.

4.7 Examination and test methods.

4.7.1 Preparation for delivery (100%). The packaging shall be

examined to detemine conformance to section 5 herein.

4.7.2 Visual examination (100%). Each wire rope assembly shall be

visually examined in accordance with drawing 2428610 to determine compliance

with this specificat ion and the applicable drawings, Examination of the

assembly in accordance with drawing 2428610 shall not relieve the contractor

of the responsibility for meeting the requirements of other drawings listed

thereon.

4.7.3 Magnetic effeds testing ( Sampling Perform the

magnetic effects test on the wire rope assemly in accordance with test

Method 1, OD 10511, Perform the test with the assembly packaged as specified

in section 5. The test face shall be one of the large, open-side faces of

the unit container, The distance from the center of the magnetometer to

the test face of the container shall be 5 � 1/8 inches. The rate at which

the container shall be rotated while conducting the test of OD 10511,

Method 1, orientation (C), shall be between 5 and 15 seconds per revolution.

Verify that the assembly does not produce a magnetic signal exceeding

0.10 milligauss.