MIL-DTL-24784/20B (SH)
3.6.9.5.2 Parts list requirements. The parts list shall be in tabular form in accordance with MIL-
DTL-24784. The parts list shall be divided by major units. Each unit shall be arranged in
numerical sequence (for example, unit 1 with its parts, and so forth, will precede unit 2 with its
parts). All parts attached to the unit shall be listed first in alphanumerical order, followed by unit
assemblies with parts and than subassemblies with parts, also listed in alphanumerical order. The
list shall be arranged as follows:
Unit
1
(Cabinet parts)
1AT1
1B1
1C1
1CR1
1R1
and so forth
Assembly
1A1
(Assembly parts)
1A1AT1
1A1B1
1A1C1
1A1CR1
1A1R1
and so forth
Subassembly
1A1A1
(Subassembly parts) 1A1A1AT1
1A1A1B1
1A1A1C1
1A1A1CR1
1A1A1R1
and so forth
Unit
2
and so forth
3.6.9.5.3 Parts list format. All parts listings shall be prepared in tabular form with columns
headed as follows (see MIL-DTL-24784).
a. Column 1, Reference designation. This column shall contain the reference designations of all
parts listed in sequential order. Unit numbering method of assigning reference designations, in
accordance with IEEE 200 shall be used to identify units, assemblies, subassemblies, and
parts. Mechanical part numbers shall be assigned to mechanical parts subject to replacement,
such as handles, slides, and so forth, that are included in the APL but not assigned mechanical
part numbers in the engineering drawings. With the exceptions of screws, nuts, bolts, and
other attaching hardware, every functioning part in the equipment shall have a reference
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