Replace Valve Washer

pull that out ever seen this on a hose bed before the solder joint this has been repaired it looks like I don't know that that comes that way does it that's pretty wild I've never actually seen something like that so maybe this actually has been repaired you can pop this washer out see if that fixes her so the old one says double zero we're gonna put a double zero back in silicone grease the end of this has a bunch of these little slotted grooves there's those grooves this is going to actually line that stem up get it snug