Rig-Rite #4F Mast Section

Rig-Rite #4F (2923) Mast Section Measurements: (OD) 2.88" x 2.25" (73mm x 57mm) Wall Thickness: .065" Weight/ft.: .74 lbs. Moments of inertia: Ixx = .96", Iyy = .31" Circumference: 8" Alloy: 6063-T6 Sail slides: 1/2" round slugs (A018, A118) or 1/2" boltrope Standard Mast Lengths: N/A Common Mast usage:

RR #4F Mast Section The Rig-Rite #4F Mast Section is long out of production, but some replacement items are still available.

RR #4F Standard Mast Hardware Listed below are parts specific to the Rig-Rite #4F Mast Section. For more generic parts, see categories listed under Spar Parts. There are many parts for specific configurations that are not listed here. If you require Rig-Rite #4F Mast Components not listed here please contact us with details.
Masthead Assembly - for Masthead Rig: PP4025-:
Masthead Assembly - Fractional Rig: PP4025-:

Spreader Base Assembly for 1 5/16" OD Spreaders: PP4025-:

Mast Step - Deck Mount: PP4025-2: Mast Step for RR-4025 Section fastens to deck or keelson with (2) 1/4" bolts. Cast Aluminum Mast Step is (maximum) 5 1/4" long x 3 1/2" wide. MMM
Mast Step - Keel Mount: PP4025-2K: Mast Step fastens to keelson with (2) 3/8" bolts in external adjustment slots to allow for precise positioning. Designed for use with special Cast Base Plate, below, Mast Step can also be fastened to any flat surface with 3/8" bolts. Aluminum Mast Step is (maximum) 10 1/2" long x 3 1/2" wide. MMM