MIL-DTL-24784/4C(NAVY)
3.2.11 Parts list. The manual shall include a parts list containing positive identification of parts for support of
the equipment and shall include actual manufacturer or vendor part numbers or generic description necessary to
obtain replacement parts.
3.2.11.1 Parts list illustrations. Clear and legible illustrations shall identify component parts and parts
relationships.
3.2.11.2 Parts listings. Part numbers and part names shall be shown on illustrations or separately listed. When
the illustrations do not contain part numbers and part names, both the illustrations and separate listings shall show
either index, reference, or key numbers which will cross-reference illustrated parts to listed parts. The parts list shall
cite the actual manufacturer or vendor and their part number or generic description. Parts in the listings shall be
grouped by assemblies, subassemblies, and modules with the parts identified to the assembly from which they are
components.
3.2.11.3 Common commercial parts. Common commercial hardware and items that are not of special design,
such as bolts, washers, nuts, screws, fittings, keys, hinges, wire, cable, gasket material, tubing, hose, and so forth,
and are obtainable from a wide range of sources, shall be identified by part number or the notation "Commercial"
instead of a part number. The part name (nomenclature or description) shall be complete enough to facilitate
substitution of equivalent items from existing Government stock as in table I.
TABLE I. Examples of part number descriptions.
Figure and
Part no.
Part name (nomenclature or description)
index no.
2-4
Commercial
NUT, Hex head, plain steel ¼-20 UNC-3B
WIRE, Electrical, copper, tin plated, No. 14 AWG, 19 strands of
2-5
Commercial
No. 27 AWG, 0.250 in. dia.
3.2.12 Illustrations and diagrams.
3.2.12.1 Illustrations. Manuals shall contain illustrations (line drawings, photographs, or halftones) for locating
and identifying all components significant to operation and maintenance and to show configuration and parts
relationship for removal and disassembly procedures. When photographs are used, they shall be prescreened and
shall be detailed and sharp, free of heavy shadows, distorted objects, cluttered foregrounds or backgrounds, and give
good contrast from white, middle tones, and black. Free hand sketches shall not be acceptable.
3.2.12.2 Diagrams. As applicable, the following diagrams shall be included in the manual:
a.
Simplified functional block.
b.
Locator.
c.
Piping.
d.
Plumbing.
e.
Hydraulic.
f.
Schematic.
g.
Electrical.
h.
Digital.
i.
Other, as necessary.
3.2.12.3 Symbols. Symbols used on illustrations and diagrams shall be standard or common to the trade or
commodity. Where nonstandard symbols are used, explanations shall be provided.
3.2.13 Overhaul instructions. When applicable, the manual shall include overhaul instructions to return the
equipment to mission capable condition. As a minimum, the instructions shall include the following:
a.
List of support equipment, special tools, and facilities required.
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