Set of 12 Brass Diving Helmet Wingnuts

Complete set of twelve diving helmet wing nuts. These are made of brass and do thread onto Yokohama helmets. Appear to be contemporary, some of the threaded holes are not perfectly center. All items w

Grouping of seven brass diving helmet wing nuts. We are not sure of the specific model of helmet these would be used on, but possibly on Japanese, Chinese or Korean helmets. All are in good condition,

This is a genuinely nice example of the classically designed diving helmet prevalently made in Japan and South Korea during the 20th Century. We are unsure of the manufacturer; the original brass ID p

This is an original grouping of Mark V parts. The items include a complete set of wingnuts, T wrench, and a set of four copper shims. All of these parts are common components missing on Mark V helmets

This is an unused new US Navy Mark 12 diving helmet brass base part. The component is in excellent condition and is unstamped. If you have a Mark 12 helmet that has been bent or decommissioned, this i

Before Morse could certify a Mark 12 diving helmet ready, it had to be pressure tested. A plate like this would secure to the Mark 12 helmet and then air pressure applied. Brass part weighs approximat

The Yokohama Diving Co., Ltd 12 Bolt Japanese Copper and Brass Diving Helmet Presented on a Associated Wooden Base. Company emblem attached to the surface. Helmet measures 17" x 14-1/2" x 16-1/2". Est

US Navy Mark 12 diving helmet breech ring. This appears to be a brand new sold brass ring. These are typically always bent on decommissioned Navy helmets. This ring has all the holes drilled and ready

Fantastic looking four-light twelve bolt copper and brass diving helmet! This beautiful piece was made by Craftsweld when located in Bowie, MD. The helmet appears to have never been put in the water a

Authentic antique divers helmet by Siebe, Gorman & Co. Submarine Engineers, London. Made of copper and brass with 12 bolts.

Classic example of the traditional Korean or Japanese diving helmet. This is a 3 light (3 windows) 12 bolt (12 breastplate studs) model helmet. Made with a copper body and brass hardware, this style o

This is an original 2 volume set of reduced drawings for each and every part of the Mark 12 diving system. Each large volume measures 18 inches wide and 12 inches tall and weight approximately 10 poun

This is an original harness set-up for a Mark 12 diver. Appears to be in good condition with signs of age or minor use. All items will be shipped with a signature required upon delivery and full insur

Set of four unused US diving helmet breastplate studs and matching wing nuts. Studs are 2.25 inches long, so they are the standard short type. These were used on numerous types of US made diving helme

Cast brass Tee used on the Mark V diving helmet breastplate wing nuts. This was the standard tool used to remove and install the Mark V diving helmet wing nuts. Great piece to have on display next to

Cast brass spanner wrench commonly used on the Mark V diving helmet breastplate wing nuts. This wrench gives the user greater leverage in turning wing nuts over the standard Tee wrench. Wrench is in e

This is an original, not recast, matched, stamped, 12 bolt set of Yokohama straps/brails for a diving helmet. These are a matched factory set stamped 15 under each of them as shown. These were used in

This is a vintage US Navy Mark V diving helmet tee wrench. This tool is used to secure and remove the wing nuts on the Mark V helmet. Good original used condition, made of brass. All items will be shi

Lot U409 - 1920s TOA 12-Bolt Copper & Brass Diving Hemlet HIGHLIGHTS Original* Constructed of brass and copper and mounted on a custom wooden stand framed around the bottom of the helmet Toa Company w

Set includes a diving helmet, binnacle, sextant, compass, telescope and a ship telegraph. Comes with a wooden case. Case measures 9.5"L x 3"W x 2"H, each piece is approx. 1"H.

This is a nice original set of diving helmet brails or straps for a Yokohama Japanese diving helmet. The straps are brass and well used. Each has a corresponding number stamped on the end to ensure pr

Very impressive Draeger diving helmet made circa 1973. This is the model DM200, which utilizes a fiberglass body. Built very similar to traditional copper & brass models, this is a twelve bolt two lig

A terrific example of a more challenging to find Soviet diving helmet called the 3 bolt 12 bolt pattern! This helmet was made at Factory 21, located in Leningrad, in 1983, as indicated by the brass ID

A fantastic example of a classic Soviet diving helmet in seldom encountered 12 bolt 3 light pattern! This helmet was made at Factory 21 in 1972, as indicated by the brass ID plate. Loosely translated,