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102mm Aluminum Mastbase Block

102mm Aluminum Mastbase Block

Part No. 3123

Sheave Ø (mm) 102 mm

Sheave Ø (in) 4 in

Maximum line Ø (mm) 18 mm

Maximum line Ø (in) 11/16 in

Maximum working load (kg) 4990 kg

Maximum working load (lb) 11000 lb

This product is out of stock. Please contact Harken directly.

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Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.

Specifications Resources

Sheave Ø (mm)	102 mm
Sheave Ø (in)	4 in
Length (mm)	130 mm
Length (in)	5 1/8 in
Width (mm)	41 mm
Width (in)	1 5/8 in
Height (mm)	130 mm
Height (in)	5 1/8 in
Weight (g)	708 g
Weight (oz)	24.9 oz
Maximum line Ø (mm)	18 mm
Maximum line Ø (in)	11/16 in
Number of fasteners	2
Fasteners (mm)	16 HH mm
Fasteners (in)	5/8 HH in
Maximum working load (kg)	4990 kg
Maximum working load (lb)	11000 lb
Breaking load (lb)	22000 lb
Breaking load (kg)	9980 kg

Drawing - PDF 3123.pdf 0.02 MB Photo - EPS 3123.eps.zip 0.43 MB Drawing - DWG 3123.dwg.zip 0.04 MB Manual 4542.pdf 0.3 MB Photo - JPG 3123.jpg 0.07 MB 3D drawing - IGS 3123.igs.zip 0.38 MB Drawing - DXF 3123.dxf.zip 0.04 MB

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