Kenyon K-1374 Hinged Mastplate Assembly

Hinged Mast Plate Assembly: K-1374: Heavy SS double channel hinge assembly is used on Kenyon 3656 (5.6" x 3.6") and smaller Mast Sections. Lower channel plate bolts to deck w/ (4) 5/16" bolts on 4 1/4" x 2 3/4" hole centers. Upper channel plate is attached to mast step with (2) 5/16" bolts and special compression spacer nuts (included). Top plate hinges forward or aft on (2) 3/8" pins, and features six (6) predrilled holes to simplify mast step mounting. Hole pattern is compatible with most Kenyon Mast Steps, other Steps will have to be drilled. Base is 6 1/2" long x 4" wide, unit is 1" high.
*Halyard Organizer Plate: K-1374HP:* Halyard Organizer Plate is designed to fit under the K-1374 Mast Hinge Assembly, using the same deck bolts. New-style formed SS Plate has a total of fourteen (14) 1/2" holes on 4 sides for attaching halyard turning blocks, boom vang, and halyard shackles. Flat Base is 7 1/2" long x 4" wide and mounts with (4) 5/16" bolts on 4 1/4" x 2 3/4" hole centers. Plate is (maximum) 8 1/2" x 5 3/4" overall and can also be drilled for use with any mast step up to 4" wide.
1/2" Riser for K-1374 Hinged Mast Plate Ass'y: K-1374S-.5:
Spacer Plate or Riser for K-1374 Hinged Mast Plate Assembly is 1/2" thick, and fits under Bottom Hinge plate to increase Mast height by 1/2" or multiples of 1/2". Useful where mast needs to be cut, or as an easy way to solve rigging stretch problems. High-density Plastic Spacer Plate is 6 1/2" long x 3 3/4" wide x 1/2" thick, and is drilled to match the K-1374 Bottom Plate (K-9517).


Kenyon Spars K-1374 - Components
Pin for K-1374 Hinged Mast Plate Ass'y: K-9518: SS Pin is 3/8" diameter with a 4" grip length, and is pointed on one end for easy insertion. Includes (2) cotter rings.
Top Plate only for K-1374 Hinge Ass'y: K-9516: Formed SS Top Plate is 6 1/2" long x 4" wide x 1/8" thick, with (6) 5/16" holes for adjustability in attachment to Mast Step.
Bottom Plate only for K-1374 Hinge Ass'y: K-9517: Formed SS Bottom Plate is 6 1/2" long x 1/8" thick, with (4) 5/16" holes on 4 1/4" x 2 3/4" hole centers for attachment to Deck.
Compression Spacer for K-1374 Hinged Mast Plate Ass'y: K-9560A:
New-style Anodized Aluminum Spacer is 1" Hex Nut x 3/4" thick with a 5/16"-18 interior thread. Replaces Old-style Round Nut that was difficult to grip. Includes standard SS bolt 5/16"-18 x 1" long.

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