A full service instrument shop specializing in marine compasses, weather instruments, spotting scopes, binoculars, telescopes, clocks, barometers, custom weather stations. Our service department is unmatched in the fields of compass repair, clock and barometer repair.


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Ritchie 5" Globemaster 1980-1990 parts


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1-5" Dome (1980-1990)This Dome measures 5-9/16" in diameter at the outside of the flange on the base. It measures approx. 5-3/8" when mounted in the compass just above the top bezel ring. This dome has a groove in the underside of the flange for the oring. The oring is placed in the groove under the dome.

5G-0040$60.00
2-Oring 5" New Style 5G-0078$12.00
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
8-5" Globemaster Bowl 1980-1990These are no longer available. Please contact us for availability of used bowls.

5G-0026ASY
Filler Plug Gasket RSH-0039$0.95
Filler Plug Screw 4CR1B1$2.00
12- 5" Clamping RingNo longer available, contact us for availablity of used rings.

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13-Base (SP-5, DR-5) 1965-1980 5" GlobemasterNo longer available, should be replaced with base, retaining ring kit. Call for more information.

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15-Top Ring BezelThese are special order, there are several different top ring configurations. Please call 781-585-2100.

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Top Ring Screw GM-0048$0.65