MIL-DTL-60584B (AR)
4.3 Conformance inspection.
4.3.1 Lot formation. Lot formation shall be in accordance with lot formation requirement
of MIL-STD-1916 paragraph "Formation and identification of lots or batches". In addition,
inspection lots of projectiles shall contain bodies from not more than one forging manufacturer.
4.3.2 Body heat treatment or stress relief lots.
4.3.2.1 Heat treatment lots. A heat treatment lot of bodies shall consist of bodies from
only one mill heat of steel that have been heat treated in the same time cycles, in one unchanged
process. The maximum lot size shall be 2000 bodies. If a mill heat exceeds 2000 bodies, the
mill heat shall be divided into any convenient number of heat treatment lots that would preclude
the need for forming miscellaneous heat treatment lots.
4.3.2.2 Stress relieved lots. Stress relieved lots shall contain cold worked bodies from not
more than one heat of steel that have been cold worked by the same process, utilizing the same
tooling and equipment and stress relieved in the same furnace at the same temperature for the
same length of time. The maximum lot size shall be 2000 bodies.
4.3.2.3 Miscellaneous lots. Small lots (such as bodies manufactured from abnormally
small heats of steel or bodies that have become separated from previously delivered lots) may, at
the discretion of the supplier, be grouped into miscellaneous heat treatment or stress relieved lots
as the case may be. Such lots shall be identified by a miscellaneous lot code number and
processed in accordance with either 4.3.2.1 or 4.3.2.2 as applicable. The maximum lot size shall
be 2000 bodies.
4.3.2.4 Mechanical properties lots. The lots constituted per 4.3.2.1, 4.3.2.2 and 4.3.2.3
shall be the basis for selecting samples for mechanical properties tests. Bodies in each heat
treatment or stress relieved lots shall be identified to that particular lot until satisfactory
completion of mechanical properties tests.
4.3.2.5 Projectile lots. When it has been determined that bodies of a heat-treated, stress
relieved or miscellaneous lot have complied with the mechanical properties requirement of the
applicable drawing, they may be regrouped for assembly into projectile lots, to which will be
assigned a projectile lot number. The projectile lot shall consist of projectile assemblies
produced by one supplier under one contract in one unchanged process, in accordance with the
same drawing, same drawing revision, same specification and same specification revision, under
conditions of continuous production free from interruptions other than those due to the end of a
shift, day, or workweek. The projectile lot thus constituted shall be the basis for the selection of
samples for functional test hereinafter prescribed.
4.3.3 Conformance inspection by classification of characteristics. See paragraphs 4.3.3.1
through 4.3.3.5.
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