MIL-DTL-24293B
TABLE Ill. Sampling for visual and dimensional examination.
Number of units in
Number of
Acceptance
Rejection
inspection lot
units in
number
number
sample
(defectives)
(defectives)
7
0
1
15 and under
10
1
0
16 to 40
15
1
0
41 to 110
25
1
2
111 to 300
35
1
2
301 to 500
50
2
3
501 to 800
3
4
801 to 1300
75
4
1301 and over
110
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4.1.3 Sampling for tests. Samples for all physical and chemical tests of type I packing and
for all physical tests and for the determination of the polysulfide rubber and chloroform extract in
type II packing shall be taken from the impregnated packing. Samples for the chromic oxide,
chlorides, sulfates, and ash chemical tests on type II packing shall be taken from the
unimpregnated packing representative of the lot. Sampling shall be in accordance with the
sample size of sampling and acceptance procedures of FED-STD-311.
4.1.4 Test specimens. Specimens shall be cut from the sample units selected as specified in
4.1.3 in accordance with figure 1. Physical test specimens shall be cut as shown on figure 2 from
piece "A" shown on figure 1. Specimens for chemical analysis shall be composited from pieces
"B", "C1","C2", and from remainder of "A" in accordance with method 6002.1 of FED-STD-311.
Samples for chemical tests on unimpregnated type II packing shall be composited from pieces
"B", "C1" and "C2".
4.2 Conformance inspection.
4.2.1 Visual and dimensional examination. Each of the sample units selected in accordance
with table III shall be visually and dimensionally examined to verify conformance to this
specification. Any unit in the sample containing one or more visual or dimensional defects shall
be subject to rejection and if the number of defective units in any sample exceeds the acceptance
number for that sample, this shall be cause for rejection of the lot represented by the sample.
4.2.2 Conformance tests. Unless otherwise specified, conformance tests shall include the
tests specified in 4.3 for each type and weight.
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