MIL-PRF-131K
TABLE III. Examination of the end item for defects in appearance, construction,
and workmanship.
EXAMINATION
DEFECT
Form
Not roll or flat cut, as specified.
Incorrect class of material.
Appearance
Surfaces not clean; presence of any foreign matter, dirt, sand, grit, or oil
spots. (Note: Defects do not apply to outer convolution of roll.)
Workmanship
Blister, crack, cut, hole, tear, sharp crease, chafed spot, or scuff mark.
(Note: Defects do not apply to outer convolution of roll.)
Evidence of delamination or embrittlement.
Edges not clean cut; ragged, crushed, or uneven.
Construction
Not uniform; layer or section missing, selvage present.
Identification markings
Illegible, incorrect, incomplete, or omitted.
Do not appear on backing surface of material; not continuous lengthwise.
Color is not lusterless red.
4.3.2.2 Examination of the end item for defects in general construction. The sample unit for
this examination shall be one roll or one package of sheets, as applicable.
TABLE IV. Examination of end item for defects in general construction.
EXAMINATION
DEFECT
Assembly of sheets
Not evenly and uniformly stacked; sheet containing manufacturer's sealing
conditions not visible upon opening.
Adjacent sheets stick together to the extent that separation causes tearing or
injury to any surface.
Splice within sheet.
Assembly of roll
Not restrained to prevent unwinding.
Material not wound uniformly on roll causing soft or uneven edges, or
telescoping of roll.
Material not wound on a rigid core, core broken, collapsed, crushed, mutilated.
When unwound, material sticks together to the extent that unrolling causes
Unwinding of roll
tearing or injury to any surface.
(check both sides)
Material wound unevenly causing wrinkles, sharp creases, or folds within roll.
Roll not continuous; more than 3 splices (4 pieces) in roll or more than 1 splice
in any 50 consecutive yards.
Splice(s) not evenly made; does not cover entire width of material; comes apart
during unwinding of roll.
4.3.2.3 Examination of the end item for dimensional defects. The sample unit for this
examination shall be one roll or one package of sheets, as applicable.
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