Inspection Standard（验货标准）：
ANSI / ASQC Z1.4 / MIL-STD-105E / BS 6001 / DIN 40080 / ISO 2859 / NFX 06-022
 
    TABLE I: SAMPLE SIZE CODE LETTERS ( 表I：样本大小字码)
Lot or batch size
批量范围
Special Inspection Levels
特殊检查水平
General Inspection Levels
一般检查水平
S-1
S-2
S-3
S-4
I
II
III
2 ~ 8
9 ~ 15
16 ~ 25
26 ~ 50
51 ~ 90
91 ~ 150
151 ~ 280
281 ~ 500
501 ~ 1200
1201 ~ 3200
3201 ~ 10000
10001 ~ 35000
35001 ~ 150000
150001 ~ 500000
500001 and over
A
A
A
A
B
B
B
B
C
C
C
C
D
D
D
A
A
A
B
B
B
C
C
C
D
D
D
E
E
E
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
A
A
B
C
C
D
E
E
F
G
G
H
J
J
K
A
A
B
C
C
D
E
F
G
H
J
K
L
M
N
A
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
B
C
D
E
F
G
H
J
K
L
M
N
P
Q
R
 
    TABLE II SINGLE SAMPLING PLANS FOR NORMAL INSPECTION (正常检查一次抽样方案)
Sample
size
code
letter
样本
大小
字码
Sample size
样本
大小
Acceptable Quality Levels(normal inspection)
合格质量水平AQL（正常检查）
0.010
0.015
0.025
0.040
0.065
0.10
0.15
0.25
0.40
0.65
1.0
1.5
2.5
4.0
6.5
10
15
25
40
65
100
150
250
400
650
1000
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re
Ac Re

A

B

C
2

3

5




0 1


0 1
0 1




1 2


1 2

2 3
1 2

2 3

3 4
2 3

3 4

5 6
3 4

5 6

7 8
5 6

7 8

10 11
7 8

10 11

14 15
10 11

14 15

21 22
14 15

21 22

30 31
21 22

30 31

44 45
30 31

44 45
D

E

F
8

13

20




0 1


0 1
0 1




1 2


1 2

2 3
1 2

2 3

3 4
2 3

3 4

5 6
3 4

5 6

7 8
5 6

7 8

10 11
7 8

10 11

14 15
10 11

14 15

21 22
14 15

21 22
21 22

30 31
30 31

44 45
44 45
G

H

J
32

50

80




0 1


0 1
0 1




1 2


1 2

2 3
1 2

2 3

3 4
2 3

3 4

5 6
3 4

5 6

7 8
5 6

7 8

10 11
7 8

10 11

14 15
10 11

14 15

21 22
14 15

21 22
21 22
K

L

M
125

200

315




0 1


0 1
0 1




1 2


1 2

2 3
1 2

2 3

3 4
2 3

3 4

5 6
3 4

5 6

7 8
5 6

7 8

10 11
7 8

10 11

14 15
10 11

14 15

21 22
14 15

21 22
21 22
N

P

Q
500

800

1250




0 1


0 1
0 1




1 2


1 2

2 3
1 2

2 3

3 4
2 3

3 4

5 6
3 4

5 6

7 8
5 6

7 8

10 11
7 8

10 11

14 15
10 11

14 15

21 22
14 15

21 22
21 22
R
2000
1 2
2 3
3 4
5 6
7 8
10 11
14 15
21 22