Aircraft/aviation wiring harness or cable assembly, identified by the original package label as Part of Kit P13199-15115.
The assembly includes a multi-conductor black cable with circular multi-pin connector, additional wiring/leads, fuse holder, and associated components as shown in the photos.
Original package label reads:
• P/N: NAS1149D0316J
• Description: Washer, Flat
• QTY: 9 EA
• Part of Kit: P13199-15115
NAS1149D0316J is an aviation-specification #10 flat washer made from 2024 aluminum alloy and is also associated with alternate part number AN960PD10L and NSN 5310-01-385-4499