MIL-DTL-46177C(MR)
6.8.6 Contractor. The term "contractor" is defined as the organization having a
direct contract with the procuring activity.
6.8.7 Homogeneous plate.
A plate having uniform composition and heat treatment
throughout.
6.8.8 Lamination. A type of discontinuity with separation or weakness generally
aligned parallel to direction of the worked surface of the metal and may be the
result of pipe, blisters, seams, inclusions, or segregation elongated and made
directional by working.
6.8.9 Laps. A surface imperfection with the appearance of a seam, caused by hot
metal, fins or sharp corners being folded over and thus being forged or rolled
into the surface but without being welded.
6.8.10 Linear indication. For nondestructive examination purposes a linear
indication is evidence of a discontinuity that requires interpretation to
determine its significance.
6.8.11 Manufacturer. The term "manufacturer" is defined as the organization
actually performing the operations covered by this specification.
6.8.12
Pit.
A cavity or depressed area on the surface of a plate.
6.8.13 Procuring activity. The term "procuring activity" is that activity of
the Government which actually initiates the request for procurement and maintains
the records of the procurement.
6.8.14 Seams. An unwelded fold or lap that appears as a crack, usually
resulting from a discontinuity on a metal surface.
6.8.15 Slivers. An imperfection consisting of a very thin elongated piece of
metal attached by only one end to the parent metal into whose surface it has been
worked.
6.8.16
Snakes.
Any crooked surface imperfection in a metal plate, resembling a
snake.
6.9
Subject term (key word) listing.
Ballistic test
Bend test
Hardness test
Impact resistance
6.10 Changes from previous issue. Marginal notations are not used in this
revision to identify changes with respect to the previous issue due to the extent
of the changes.
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