mark v

Nation’s Attic Inc. is proud to announce the discovery of the earliest unaltered original United States Navy Mark V diving helmet known to exist! The helmet was sent to the Navy in August of 1916 for evaluation. After testing this specific helmet was then lost to history. The Mark V model would...

Looking for a bunch of Mark V pistons, new or used. The newer shouldered style, Part #10.101.003 Will offer excellent terms. They'll go to good homes! I'll consider an entire old Mk5 or Mk7 regulator (in any condition) with that style of piston, if we can work out a price. Thanks!

I was at the history of diving museum a year ago in Key Largo on my way out of town and I picked up a card for some guys who own a Mark V suit there and who will let people try it out for a fee. I found two reviews on Trip Advisor from last year but no other information. I get VM when I call...

I'm considering getting a couple of used MK5s but can't seem to find the service manual. I found manuals for many other models on vintagedoublehose.com and frogkick.com. VDH has the manual for the R109 second stage. Is it possibly included in some other file?

Hi, I am working on the NAUI scuba diver certification as I type this. I have completed a few resort dives, done some snuba diving in the cenotes and caves in Mexico, and been lucky enough to have a friend with the Historical Diving Society that has put me in an old Mark V, as well as showed me...