MIL-STD-1258(WC)
30 June 1972
CONTENTS
Page
Paragraph
1
SCOPE
1
2
REFERENCE DOCUMENTS (NONAPPLICABLE)
2
3
DEFINITIONS
3
4
GENERAL REQUIREMENTS
4
5
DETAIL REQUIREMENTS
5
5
NORMAL VISUAL INSPECTION
5.1
5
VISUAL COMPARISON STANDARDS
5.2
ACCEPTABLE 5.56MM, 7.62MM AND CAL .30 BARRELS
5
UNACCEPTABLE 5.56MM, 7.62MM, AND CAL. 30 BARRELS
5.2.1
FIGURES
Page
Figure
7
ACCEPTABLE 5.56MM, 7.62MM, AND CAL. 30 BARREL BORES
1
8
UNACCEPTABLE INCLUSION
2
8
UNACCEPTABLE INCLUSION
3
9
UNACCEPTABLE INCLUSION, NODULE BUILD-UP
4
9
UNACCEPTABLE TOOL MARKS
5
10
UNACCEPTABLE TOOL MARKS
6
10
UNACCETTABLE BROKEN TOOL MARK (SEVERE BROKEN
7
TOOL GOUGE)
11
UNACCEPTABLE TEARS, LAND
8
11
UNACCEPTABLE TEARS, GROOVE
9
12
UNACCEPTABLE ROUGH LAND AND GROOVE
10
12
UNACCEPTABLE ROUGH DEPOSIT
11
13
UNACCEPTABLE ROUGH DEPOSIT
12
13
UNACCEPTABLE ROUGH DEPOSIT
13
14
UNACCEPTABLE PITTING AND NODULES
l4
14
UNACCEPTABLE FLAKING (SEVERE)
15
15
UNACCEPTABLE FLAKING
16
15
UNACCEPTABLE ELECTRODE BURN
17
16
UNACCEPTABLE ELECTRODE BURN
18
16
UNACCEPTABLE SURFACE ROUGHNESS
19
17
UNACCEPTABLE FROST
20
iii
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