https://www.outlandtech.com/product-page/mcdls-f-female-locking-sleeve
MCDLS-F (Female Locking Sleeve) | Outland Technology
Micro Wet-Con delrin female locking sleeve for 2 through 8 pin conectors. Mates with MCDLS-M male locking sleeve. C-Clip Included
f femalelockingsleeveoutlandtechnology