Thumbturn cylinder seawater resistant type key side 60 / thumbturn side 12 Brass | GSV-No. 372
4. March 2019
Double cylinder seawater resistant type in lengths from 30 / 30 to 70 / 70 Brass | GSV-No. 361
4. March 2019
Thumbturn cylinder seawater resistant type key side 65 / thumbturn 12 Brass | GSV-No. 377
SKU: 377
Standard product
The thumbturn cylinder, seawater-resistant type 65/12 mm, Brass, GSV-No. 377, is a precision-engineered locking component designed specifically for rim locks in marine and other corrosive environments. Manufactured entirely from solid brass, the cylinder provides excellent mechanical strength, corrosion resistance, and long-term durability. Its brass locking cam is also seawater-resistant, ensuring reliable operation even under continuous exposure to moisture, salt-laden air, or extreme environmental conditions, which makes it particularly suitable for yachts, boats, coastal installations, and other areas where standard locking systems would rapidly degrade.
With dimensions of 65/12 mm, the thumbturn cylinder is optimally designed for rim locks, ensuring a secure and precise fit. The compact size allows for seamless integration into door constructions without compromising structural integrity or operational performance. The cylinder is engineered for smooth, play-free operation, providing a reliable engagement of the locking cam and consistent performance over time. The thumbturn mechanism allows for convenient locking and unlocking from the inside without the need for a key, while maintaining secure locking against unauthorized access from the exterior.
The seawater-resistant construction guarantees long-term stability and minimal maintenance, even in highly corrosive environments. Its robust brass components distribute mechanical loads evenly, preventing deformation or wear under frequent use.
Overall, the GSV-No. 377 thumbturn cylinder 65/12 mm combines durable brass material, precise engineering, and seawater-resistant design to provide a technically advanced, long-lasting, and secure solution for rim locks. It meets the highest standards for reliability, corrosion resistance, and ease of operation in marine and moisture-prone environments.
Current general delivery dates subject to the usual reservations::
Brass:
• The general delivery time for products in brass satin chromed is currently 6-8 weeks
• The general delivery time for products in brass polished / brass polished chromed is currently 8-10 weeks
Stainless Steel:
• The general delivery time for products in stainless steel is currently 6 weeks
• The general delivery time for products in stainless steel polished / fine grind is currently 6-8 weeks
Aluminum:
• The general delivery time for products in Aluminum silver andodized is currently 6 weeks
• The general delivery time for products in Aluminum powder coated is currently 6-8 weeks
Special/project products:
No standard delivery time, as components are only made to order. In each case by individual arrangement
| Weight | N/A |
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| HS-Code | |
| Product type | |
| Area of product installation | |
| Sales unit | |
| Product class |
Note on express dispatch | 24 delivery service Each item with a stock quantity can be dispatched within 24 hours. The surcharge for the 24h delivery service is 5%.
General info on seawater resistant profile cylinders / new order or replacements - Cylinders come with 3 keys of nickel-silver
- with brass locking cam 9,5mm. Note: for locks 4040Z | 969 Z | 1069 Z with brass locking cam 7,7mm!
- All product by OEM brand WILKA
- Integration of cylinders for cabinet locks possible:
Profile cylinders and cylinders for cabinet locks with Ø23 mm can be operated with the same keys from kleying system for profile cylindders, if the cabinet lock cylinders have a length of 30 mm. Hence an integration of cylinder for cabinet locks and profile cylinders is possible. - Options for keying systems:
click to enlarge Masterkey-System |
click to enlarge General-Masterkey-System
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- Key plans facilitate easier handling of repeat orders of cylinders and
keys. It will be provided for every order of cylinder locking systems on
basis of the customers plans prior sent to us. A template can be downloaded in the downalod tab. - Since January 1 / 2016 new cylinder locking systems will be supplied
without Security Certificate. Repeat orders will be accepted upon
mentioning the complete number of the respective locking system. (For
existing installations supplied prior to this date, it is still necessary to
provide the Security Certificate to get offers and/or deliveries). - For higher safety requirements and on special request, from this date
on cylinderlocking systems are available based on the protected /
patented SI6 profile with Security Certificate.
Only the holder of this certificate is entitled to place inquiries and
orders. Key blanks will not be provided for the duration of the patent protection.
- Masterkey-system one side HS1
- general-masterkey-system one side GHS1
Our products do not contain the following chemical hazardous substances:
Asbestos
Polychlorinated biphenyls (PCBs)
Chlorofluorocarbons (CFCs)
Halons
Carbon tetrachloride
1-1-1-Trichloroethane
Hydrochlorofluorocarbons
Hydrobromofluorocarbons
Methyl bromide
Bromochloromethane
Anti-fouling systems containing organotin compounds as a biocide
Cadmium and cadmium compounds
Hexavalent chromium and hexavalent chromium compounds
Lead and lead compounds larger 3%
Mercury and mercury compounds
Polybrominated biphenyl (PBBs)
Polybrominated dephenyl ethers (PBDEs)
Polychloronaphthalenes (Cl >= 3)
Radioactive substances
Certain shortchain chlorinated paraffins
Perfluorooctane sulfonic acid (PFOS)
Brominated Flame Retardant (HBCDD)
The hand of door for mortise locks is defined as:
if the door is closed and the hinges are visible on the right/left, then the door is right/left hand. The door is therefore hinged on the right/left and according by definition of DIN right/left.
Or: if you grasp the handle with your right hand and latch and deadbolt show to the left, then it is right hand. If you grasp the handle with your left hand latch and deadbolt show to the right, it is a left hand.
Rim locks
The hand of door for rim locks is defined as:
if the door is closed and the hinges are visible on the right/left, then the door is right /left hand. The door is therefore hinged on the right/left and according to the definition DIN “right/left".
In addition to the designation “left” and “right”, it is to be indicated whether the locks are intended for inward or outward opening doors.
Sliding door mortises
The hand of door for sliding door mortises is the same for right and left. Sliding rim door locks different for left and right doors.
When ordering, always indicate “left” or “right”.
| Latch
The lock latch keeps the door shut. In order to open the door, it must be retracted. |
| Type of latch design | Illustration |
| single latch |  |
| anti-vibration or three-piece latch |  |
| rolling latch adjustable |  |
| POM-latch for strike dampening |  |
| Deadbolt
The deadbolt regulates the access rights through the turning motion of the cylinder by key. The deadbolt is being driven out or retracted through the turning motion. |
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| Faceplate
The faceplate is the visible part of the lock case. The faceplate, the latch and the deadbolt are the only visible parts of a mortise. |
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Handle hub
The handle hub takes the square spindle of the handle in order to retract the latch inside the lock through the turning motion of the same. This process allows the opening of the door. The shipbuilding norm specifies a 9mm square with a 2° incline. Schwepper supplies also with 8mm square, special contour or 0° incline on request. |
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WC-/privacy hub
The WC hub takes the square spindle of the olive or thumb turn, that retracts or drives out the deadbolt from the inside - analogue to the turning motion of the cylinder. The shipbuilding norm specifies a 7mm square. Schwepper supplies also with 8mm square on request. |
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| Dimension | Illustration | |
| Backset
The backset is the distance from the front edge of the faceplate to the center of the cylinder hole respectively handle hub square. The rear backset behind the center line remains always 27mm. |
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| Distancing
The distancing is the dimension from the center of the handel hub and the center of the hole for profile cylinder / privacy (WC) / key. The industry standard in shipbuilding is 75mm. |
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| Latch protrusion
The latch protrudes according to the industrial DIN standard in shibuilding 14mm. Other technical standards for latch protrusion are: 16 mm according to DOT (Department of Transportation) 19 mm according to USCG (US Coast Guard) |
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| Type of lock | Illustration (click to download as PDF) |
| Mortise latch locks |  |
| Mortise WC or toilet door locks |  |
| Mortise locks for EURO profile cylinder |  |