Sold2023Mark V Diving Helmet Port Window Glass OriginalThis is a full set of replacement glass for a Mark V helmet. Note the curved edges of the glass, making it difficult and expensive to have made today. This set is free of any cracks and ready to instaSee Sold Price
Sold2022Original USN Mark 12 Diving Helmet Drawings 2 Large VolumesThis 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 pounSee Sold Price
Sold2022Original USN Mark 12 Diving Helmet HarnessThis 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 insurSee Sold Price
Sold2023US Navy Mark 12 Diving Helmet Morse 1980This is an authentic decommissioned US Navy Mark 12 diving helmet. The Mark 12 was the predecessor to the famed Mark V. Made by Morse Diving Equipment, this is a relatively early example from March 19See Sold Price
Sold2022New Unused US Navy Mark 12 Diving Helmet Brass BaseThis 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 iSee Sold Price
Sold2021US Navy Mark 12 Diving Helmet Breech RingThis is the ring that attaches to the helmets and also the neoprene suit. These rings are commonly bent up on Mark 12 helmets decommissioned by the Navy. This ring is used but still in good conditionSee Sold Price
Sold2023US Navy Mark 12 Diving Helmet Breech RingThis is an original used US Navy Mark 12 diving helmet breech ring. Many of these rings were bent or destroyed when the Navy decommissioned the helmets. This ring is still in good round condition andSee Sold Price
Sold2021US Navy Mark 12 Diving Helmet Restored ShellExcellent condition restored fiberglass shell for a US Navy Mark 12 diving helmet. It has been re-gel coated with the correct style of yellow paint. Only very minor scuffs from light handling evident.See Sold Price
Sold2022US Navy Mark 12 Diving Helmet Brass Pressure Test PlateBefore 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 approximatSee Sold Price
Sold2022USN Mark 12 Diving Helmet Parts LotThis is a grouping of original or NOS parts used in conjunction with the USN Mark 12 diving helmet. The neck band assembly and ear clearing pad are new old stock in the bags. The neck band ring with hSee Sold Price
Sold2021US Navy Mark 12 Diving Helmet Breach RingVery nice original US Navy Mark 12 diving helmet breach ring. This ring retains all the original hardware and has never been bent! All items will be shipped with a signature required upon delivery andSee Sold Price
Sold2022Original US Navy Mark 12 Diving Helmet BrochureDouble sided trifold brochure printed in late 1970s by Morse Diving Equipment. A later Morse sticker was placed on the front circa late 1990s. Piece is in excellent condition with some age on the fronSee Sold Price
Sold2021US Navy Mark 12 Diving Helmet ShellThis is an original fiberglass shell for a US Navy Mark V diving helmet. This shell is not broken or cracked. The gelcoat paint is possibly the original or very old. There are numerous signs of age onSee Sold Price
Sold2022US Navy Mark 12 Diving Helmet Hose Whip New Old Stock 1981This is an original still in the sealed bag US Navy Mark 12 whip, aka Hose Assembly MIL-H2815/F. The whip was made in 1981 as indicated on the label. Perfect piece for display with your Mark 12 helmetSee Sold Price
Sold2023US Navy Mark 12 Diving Helmet New Brass Breech RingUS 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 readySee Sold Price
Sold2023US Navy Mark 12 Diving Helmet Harness & HardwareUS Navy Mark 12 diving helmet harness and extras. The main harness is in fair used condition. Also included are extra straps, new old stock clamps, buckles, etc. Total weight is approximately 10 poundSee Sold Price
Sold2021US Navy Mark 12 Diving Helmet & Rebreather Tech MaualOffered here is a reprint of original 1978 US Navy Navsea operations and maintenance instructions manual housed in 3 ring binder. This is the full and very detailed manual the government used when serSee Sold Price
Sold2023US Navy Mark 12 Diving Helmet Neck Dam x 4This is a grouping of four US Navy Mark 12 diving helmet neck dams. One is sealed, the other three are in excellent condition, and appear to be unused. Few of these have survived, especially in this cSee Sold Price
Sold2022Original Morse Diving USN Mark 12 Diving Helmet Trifold BrochureDouble sided trifold brochure printed in the late 1970s by Morse Diving Equipment. A later Morse sticker was placed on the front circa late 1990s. The piece is in excellent condition, with some age onSee Sold Price
Sold2023Original Morse US Navy Mark 12 Diving Helmet BrochureThis is a double sided trifold brochure printed in the late 1970s by Morse Diving Equipment. A later Morse sticker was placed on the front circa late 1990s. The brochure is in excellent condition. PerSee Sold Price
Sold2023US Navy Mark 12 Diving Helmet & Rebreather Technical ManualOffered here is a reprint of original 1978 US Navy Navsea operations and maintenance instructions manual housed in 3 ring binder. This is the full and very detailed manual the government used when serSee Sold Price
Sold20221979 US Navy Mark 12 Morse Diving Equipment Diving HelmetThis is an authentic US Navy Mark 12 diving helmet. Unlike so many examples, this one has NOT had the neck ring bent or decommissioned by the US Navy. The Mark 12 was the predecessor to the famed MarkSee Sold Price
Sold2022Green US Navy Mark 12 Morse Diving Equipment Diving HelmetThis is an authentic green painted US Navy Mark 12 diving helmet. Unlike so many examples, this one has NOT had the neck ring bent or decommissioned by the US Navy. The Mark 12 was the predecessor toSee Sold Price
Sold2022US Navy Mark 12 Morse Diving Equipment Diving HelmetThis is an authentic decommissioned US Navy Mark 12 diving helmet. The Mark 12 was the predecessor to the famed Mark V. Made by Morse Diving Equipment, this is a relatively early example from March 19See Sold Price
May 16Heritage Auctions74001: A Sixteen-Piece Elkington & Co. Aesthetic Moveme$1,200(1 bid)