Springfield Jon Boat Seat Clamp, 8 to 20-1/2 Inch Range, 360 Degree Ball Bearing Swivel, Part 1104010

The Springfield Jon Boat Seat Clamp (part number 1104010) is a boat-side gunwale clamp designed to mount a seat directly to the rail of a Jon boat, adjusting from 8 inches to 20-1/2 inches to fit a range of gunwale widths. It features a 360 degree ball bearing swivel that lets the seat rotate freely once mounted, with swivel specifications of 6 7/8 inches square on a 4 hole bolt pattern for attaching a seat base. The clamp is constructed of e-coated steel, a finish applied to resist corrosion in the marine environment the clamp is used in. This is a durable, single-piece hardware item intended for anglers and boaters who want a seat that can be adjusted or repositioned on a Jon boat gunwale without permanent mounting hardware on both sides. The clamp is finished in black and is sold as a single unit weighing 5.7 pounds.

Specifications

• Brand: Springfield
• Manufacturer Part Number: 1104010
• Product Name: Jon Boat Seat Clamp
• Clamp Adjustment Range: 8 inches to 20-1/2 inches
• Swivel Type: 360 degree ball bearing swivel
• Swivel Dimensions: 6 7/8 inches square
• Bolt Pattern: 4 hole pattern
• Material: Steel
• Finish: E-coated steel, corrosion resistant
• Color: Black
• Weight: 5.7 pounds

Fitment

Designed for Jon boats with gunwale widths from 8 inches to 20-1/2 inches.

Frequently Asked Questions

What gunwale widths does the Springfield 1104010 seat clamp fit? The Springfield Jon Boat Seat Clamp adjusts to fit gunwale widths from 8 inches to 20-1/2 inches, part number 1104010.

Does the seat swivel once mounted? Yes, this clamp includes a 360 degree ball bearing swivel, letting a seat mounted on the 1104010 clamp rotate a full circle.

What bolt pattern does the seat base attach with? The swivel on the Springfield 1104010 uses a 4 hole bolt pattern on a 6 7/8 inch square swivel plate.

What material is the Springfield Jon Boat Seat Clamp made of? It is made of e-coated steel, a coating applied to the 1104010 clamp to resist corrosion in wet marine conditions.

What color is the 1104010 seat clamp? The Springfield Jon Boat Seat Clamp is finished in black.

How much does the Springfield 1104010 weigh? The Springfield Jon Boat Seat Clamp weighs 5.7 pounds.

Is this clamp for Jon boats specifically? Yes, part number 1104010 is designed as a Jon Boat Seat Clamp for mounting to the gunwale of Jon boats.

Does the clamp come with a seat included? No, the 1104010 is the clamp and swivel mount only; it does not include a seat.

How many clamps come in the package? The Springfield 1104010 is sold as a single clamp unit.

Can the clamp be repositioned along the gunwale after installation? The 1104010 clamp is designed to clamp onto the gunwale rail, and its 8 inch to 20-1/2 inch adjustment range accommodates different mounting positions along boats of varying gunwale widths.