MIL-DTL-81927C(AS)
d. Contractors having an automated publishing system may assign permanent numeric
identifiers for hazardous materials warnings in their database; however, the introduction
to the manual shall explain that the numeric identifiers may not appear in sequential
order, since all warnings contained in the database may not appear in the manual.
3.4.5.1.1 Icons applicable to hazardous material warnings. NAVAIR 00-25-700 depicts the
icons that are approved for use in association with warnings for hazardous materials. The
introduction of additional icons shall have prior approval from the requiring activity.
3.4.5.1.2 Hazardous materials referenced in text. In the text of the manual, the caption
"WARNING" shall not be used for hazardous materials.
a. Such warnings shall identified (highlighted) by the related icon.
b. Complete warnings shall be provided in the HMWS pages for each hazardous material
used in the manual.
3.4.5.1.3 Multivolume/manual set. (See 3.7.3.)
a. Multivolume set (division of an existing manual). (See 3.7.3.1.) The warnings
applicable to hazardous material shall be repeated in all volumes regardless of whether
all numbered warnings do or do not appear in each volume. A note shall be placed at the
bottom of the first page of the list of hazardous materials warnings (3.7.4.4d) stating that
all numbered warnings may not appear in all volumes of the manual.
b. Multimanual set. Each volume of the set shall contain complete warnings in the HMWS
pages for each hazardous material used in the manual.
3.4.6 Nuclear hardness. Nuclear survivability requirements include such factors as
overpressure and burst, thermal radiation, electromagnetic pulses (EMP) and Transient Radiation
Effects on Electronics (TREE). If equipment to be operated, maintained or overhauled has
nuclear survivability requirements, applicable warnings shall be incorporated into technical
publications to ensure that hardness of equipment is not degraded during operation and
maintenance. Caution shall be taken not to include classified information in an unclassified
publication.
3.4.6.1 Symbol. All hardness critical processes/steps/items shall be marked with the
appropriate symbols [HCP] / [HCI] / [OCP] / [OCI] / [CSP] / [CSI].
3.4.7 Electrostatic discharge [ESD] sensitive parts. If electronic equipment to be handled,
inspected, repaired, or assembled is ESD sensitive, the items shall be marked and identified with
the symbol [ESD].
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