Downloaded from https://www.everyspec.com MIL-STD-3001-4(AS) m. Redesigned parts. If the design or material of a part is changed to the extent that interchangeability or physical or functional performance is affected, the new part number assigned in accordance with the contract drawing specification shall be listed. The original part shall be omitted if not authorized for continued use. If the original part has continued application, the application shall be indicated in the GAPL. n. Selected electronic components. If a component board contains detail part(s) which can be replaced from a selection of components of different values, the illustration shall show one part.
The GAPL shall list the basic part number without the specific value, for example, "RCO7GF---J." If the selection is to be made after test, a note shall appear after the description of the part, for example, "/Value determined at test/." o. Alternate parts. An alternate part is defined as a part that is used when a preferable part is not available. Alternate parts shall be listed below the preferred part when assigned an NSN. The specific relationship shall be identified in the GAPL "DESCRIPTION" and "USABLE ON CODE" entries. p. Equivalent parts. An equivalent part is defined as a part that is used interchangeably with one or more parts, none of which are preferable over the other.
Equivalent parts shall be listed below the preferred part when assigned an NSN. The specific interchangeability shall be identified in the GAPL "USABLE ON CODE" entry. q. Quick Engine Change Assembly (QECA). Following the breakdown of the quick engine change assembly, the part number and description of the Quick Engine Change Kit (QECK), shall be listed. All QECK parts shall be illustrated, indexed, and identified in the GAPL "DESCRIPTION" entry with the acronym "QEC." r. Parts kits.
When repair parts for the end item or for repairable units within the end item are to be supplied in the form of kits, a part number shall be assigned to each kit in accordance with contract drawing specification requirements. (1) The kit(s) part numbers shall be placed last in the list of parts of the unit to which it applies and at the same indentation as the unit to which it applies. The kit components listed shall carry the appropriate kit SM&R code. (2) Contents of the kit shall be listed at one indent below the kit description and shall not be assigned index numbers. Part number, description, quantity per kit, and SM&R code shall be included for each item in the kit.
(3) Lists of supplemental kits shall follow the list of original kits in the same manner as prescribed herein. (4) Separate illustrations for kits shall not be prepared. s. Markings. (1) Decals, metalcals, and vinyl film markings, such as those that provide instructions, which require replacement or must be requisitioned separately, are considered to be parts. The identifying drawing number for each marking shall appear in the "PART NUMBER" entry. (2) Locations of markings shall be illustrated; however, legible copy of the marking on the illustration shall not be required. 21