*SB 740-97-38
Section II
STORAGE AND SPECIAL INSTRUCTIONS
6. Applicable Items. The provisions of this bulletin are
judgement of the surveillance team, indicate the
homogeneity of all significant characteristics.
The
applicable to those items listed in Appendix I.
7.
Preservation, Packaging and Packing.
formation of a grand lot at a depot is only a paper
transaction and does not require any rewarehousing or
Preservation, packaging and packing will be in
reworking of material. Where such grand lots are
accordance with the packaging references cited in the
formed and sampled for surveillance, reports of results
Packaging Segment of the Army Master Data File (AR
should include a complete description of the grand lot
708-1).
8. Marking. Marking will be in accordance with MIL-
composition in each case. If the samples drawn from
the grand lot indicate heterogeneity of the individual lots
STD-129.
9. Storage. a. Type. Type of storage will be in
making up the grand lot, the grand lot will then be
terminated and manufacturer's lot sampling substituted.
accordance with SB 740-1.
c. Mixed Lot. The mixed lot is formed of one or
b. Age Control. The items covered by this bulletin
more lots whose identification by manufacturer or lot
will be issued on a First-In-First-Out (FIFO) basis by
number has been lost and its relation to other lots
date of manufacturer.
cannot be determined. An example of this is depot
c. Shelf-Life. The items covered by this bulletin
rollback or repacks or represerved material. Several
have an indefinite shelf-life.
mixed lots may be grouped into grand lots if surveillance
inspection data indicates that these mixed lots are
10.
Formation of Lots.
The selection of
similar in their significant characteristics.
representative samples for surveillance evaluation is
11. Storage Quality Control. a. Sample Selection.
based on the homogeneity of the lot. Subject to the
Select samples of material in a manner that will assure
limitations of this rule, inspection lots should be as large
each unit in the lot has an equal chance of being
as possible.
To encompass these principles, the
selected. Biased methods, such as selecting items from
formation of lots for surveillance will consist of
the same position in the container, pallets or stacks;
manufacturer's lots, grand lots or mixed lots.
taking items all from one location; or selecting items that
a. Manufacturer's Lots. The Manufacturer's lot,
appear defective, will not be utilized. The use of a table
batch or control number will be used whenever possible
of random numbers as contained in the Department of
in the selection of samples. This would include lots of
Defense Handbook, H53, is recommended and will
sizable quantities in original packs.
insure random selection of samples.
b. Grand Lot.
b. Inspection.
(1) The grouping together of several lots of one
(1) Frequency.
manufacturer can effect an increase of lot size.
(a) Controlled humidity warehouse--60
However, the following conditions must be met by these
months.
lots before material can be considered for grouping into
(b) Controlled temperature warehouse-30 --
a grand lot.
(a) Identical stock number, class, type,
months.
(c)Noncontrolled temperature ware-
model.
(b) Same manufacturer.
house--24 months.
(d) Shed--12 months.
(c) Manufactured within a period of
(e) Open--6 months.
twelve months.
(2) Selection of sampling plan. The sampling
(d) Comparable storage history.
(e) Identical packaging.
plan will be obtained from the Master Sampling Table,
which reflects inspection level II and has been adapted
(f) No known significant difference in quality.
from plans provided in MIL-STD-105.
(2) The grand lot may be formed when the
complete analysis of all available data, including the
conditions noted above and the technical
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