MANDATORY REPLACEMENT PARTS
This work package lists all mandatory replacement parts needed to maintain and repair AVDS-
1790-2CA, 2DA, and 2DR engines and their reusable shipping and storage container. These parts
are referenced in the INITIAL SETUP section and in the procedural steps of relevant work
packages. The items on this list must be replaced during maintenance whether they have failed or
not. The part list is in part number sequence.
This work package does not list replacement parts for engine accessories. Refer to References
(WP 0172) which lists technical manuals for engine accessories.
EXPLANATION OF COLUMNS
Column (1): Item Number: This number corresponds to the "Mandatory Replacement Parts" in
the work package INITIAL SETUP section for cross-referencing to the part number, for example:
"Retaining ring (item 14, WP 0175)" in INITIAL SETUP
In WP 0175 (Mandatory Replacement Parts), item 14 is
"Ring, retaining" with part number MS16625-1281.
Column (2): Part Number: This part number is assigned to the item. Use this part number to
request or requisition the part.
Column (3): NSN: The NSN (National Stock Number) may also be used to order a part. When
an NSN is used to requisition a part, the part you get may have a different part number from that
of the part listed. Form, fit, and function will be the same and the part is acceptable to use.
Column (4): Description: This column contains the Federal item name of the part.
Pin, retaining, safety
WP 0175 00-1