A full service instrument shop specializing in sales and service of marine compasses. Suppliers of genuine replacement parts for Danforth, Aquameter, Ritchie, Kelvin White, Dirigo and Star compasses


Click to enlargeRitchie 5" Globemaster Parts (1990-Present )


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5”Repair Kit 1990-PresentComplete repair kit for a 5” Globemaster compass manufactured between 1990 to present. Kit includes a dome(5G-0131), oring (5G-0078), filler oring (RSH-0039), diaphram (5G-0129), 5” oil pack(5G-0000) enough oil to refill the 5” compass completely.

5G-0131KIT$216.00
5" Compass Oil Pack5" Compass Oil PackOne Quart and One pint of Ritchie Compass Oil. Enough Oil to fill the 5" Globemaster or the Danforth 5" Constellation

5G-0000$51.00
1-Dome 5" New StyleThis dome measures 5-5/8" OD at the bottom of the dome (approx. 5-1/4" just above the mounting bezel when still mounted in the compass). The oring is placed under the dome in a groove in the compass bowl. There is no groove in the dome.

5G-0131$72.00
2-Oring 5" New StyleNote that these orings tend to run slightly large and may require special instructions to install correctly.

5G-0078$17.00
3- Dial Assembly 5" GlobemasterSpecial care should be taken when ordering dials, be sure to check if the dial that you are replacing has a Powerdamp skirt on the underside of the dial. The non-powerdamp lubbers line pan will not accept a Powerdamp dial. If you have any questions please call us at 781-585-2100.

5G-135STL$69.00Dial: 
4-Lubbers Line Pan 5G-0081ASY$27.00Style: 
5-Gimbal Ring 5" 5G-0044ASY$25.00
6-Balance Tab 5G-0002ANL$5.00
Balance Tab Retainer SH-0052$0.95
8-Diaphram Retainer Screw 5G-0094$0.65
9-Diaphram Retainer 5G-0128$49.00
Globemaster Diaphram New Style 5G-0129$75.00
11-Gimbal Pin Boss 5G-0130$3.00
12-BowlThis is a black plastic bowl assembly

5G-0127$72.00
Click to enlargeFiller Plug Gasket
RSH-0039$1.05
Filler Plug Screw 4CR1B1$3.00
15-Top Ring BezelThese are special order, there are several different top ring configurations. Please call 781-585-2100.

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16-Top Ring Screw 5G-0132$0.65