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Lewmar Flush Hatch Specifications

Flush Hatch Standard Sizes:

Lewmar pioneered the high volume flush hatch platform back in 2006, bringing what was then superyacht studying into mainstream boat production. The precision of the fit makes for a sleek, modern look and means no more stubbed toes for boat owners.

  • Clean aesthetics
  • Trim kit fits all standard sizes
  • EPDM seal provides watertight structure
  • Dark grey acrylic options keeps cabin cooler
  • Water drained effortlessly away by deck-molded channels
  • Strong, stylish handles and hinges.

Sizing Chart:

Note:Click on your preferred part number to be redirected to the product.

Part No. Grey Acrylic Part No. Dark Grey Acrylic Size Overall Dimensions Cut-out Dimensions Acrylic Window Thickness Weight
W LOWER FRAME FLANGE W HINGE GAP X WIDTH Y LENGTH Z DEPTH R RADII X1 WIDTH Y1 LENGTH R1 RADII
mm in mm in mm in mm in mm in mm in mm in mm in mm in mm in kg lb
39910012 39910812 10 15 9/16 11 11/64 3 30 13 330 13 31 1 1/4 10 3/8 260 10 1/4 260 10 1/4 42.5 1 11/16 12 1/2 2.3 5
39920012 39920812 20 15 9/16 11 11/64 417 16 7/16 272 10 11/16 31 1 1/4 10 3/8 347 13 11/16 202 7 15/16 42.5 1 11/16 12 1/2 2.4 5.2
39930012 39930812 30 15 9/16 11 11/64 527 20 3/4 397 15 5/8 31 1 1/4 10 3/8 457 18 327 12 7/8 42.5 1 11/16 12 1/2 4.7 10.3
39941012 39941812 41 15 9/16 11 11/64 491 19 5/16 246 9 1/16 31 1 1/4 10 3/8 421 16 9/16 176 6 15/16 42.5 1 11/16 12 1/2 2.6 5.8
39944012 39944812 44 15 9/16 11 11/64 512 20 3/16 512 20 3/16 31 1 1/4 10 3/8 442 17 3/8 442 17 3/8 42.5 1 11/16 12 1/2 5.4 12
39954012 39954812 54 15 9/16 11 11/64 577 22 11/16 462 18 3/16 31 1 1/4 10 3/8 507 19 15/16 392 15 7/16 42.5 1 11/16 12 1/2 5.5 12.1
39960012 39960812 60 15 9/16 11 11/64 577 22 11/16 577 22 11/16 31 1 1/4 10 3/8 507 19 15/16 507 19 15/16 42.5 1 11/16 12 9/16 7.1 16
39970012 39970812 70 15 9/16 11 11/64 697 27 1/2 697 27 1/2 31 1 1/4 10 3/8 627 24 11/16 627 24 11/16 42.5 1 11/16 12 9/16 11 24


Flush Hatch With Stainless Steel Handles and Hinges:

Lewmar is constantly seeking to improve our product range to suit evolving design trends. The new range of stainless steel hatch fittings are designed for the Flush Hatch Range, offering a stylish interior and exterior aesthetic.

  • Hatch can be opened from the ourside using a standard winch handle
  • Locking mechanism contained in interior handle
  • Effortless operation
  • Closer fit to the deck along the hinge edge
  • All the features of the Flush Hatch Range

Stainless Steel specification:

  • White aluminium lower frame
  • Stainless Steeel hangles, hinges and stay
  • Grey or Dark Grey Acrylic


Sizing Chart

Note:Click on your preferred part number to be redirected to the product.

Part No. Grey Acrylic Part No. Dark Grey Acrylic Size Overall Dimensions Cut-out Dimensions Acrylic Window Thickness
W LOWER FRAME FLANGE X WIDTH Y LENGTH Z DEPTH R RADII X1 WIDTH Y1 LENGTH R1 RADII
mm in mm in mm in mm in mm in mm in mm in mm in mm in
399441999 399441910 44 15 9/16 512 20 3/16 512 20 3/16 31 1 1/4 10 3/8 442 17 3/8 442 17 3/8 42.5 1 11/16 12 1/2
399601999 399601910 60 15 9/16 577 22 11/16 577 22 11/16 31 1 1/4 10 3/8 507 19 15/16 507 19 15/16 42.5 1 11/16 15 9/16
399701999 399701910 70 15 9/16 697 27 1/2 697 27 1/2 31 1 1/4 10 3/8 627 24 11/16 627 24 11/16 42.5 1 11/16 15 9/16


SHOP LEWMAR FLUSH HATCHES HERE AT MAURIPRO SAILING!

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