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 Helmsman HD-74 parts (1983-2006)


ritchiehd74

1-Helmsman DomeThe Helmsman dome measures 3-3/4" in diameter at the top of the bezel ring when the compass is assembled. The outside diameter of the dome (when it not assembled with the compass body) at the base on the outside of the flange is 4".

HL-0020$24.00
2-Helmsman Oring HL-0067$6.50
3-Helmsman Diaphragm HL-0018$18.00
Filler Plug Gasket SH-0039$0.95
5- Helmsman Bowl HL-0007$36.00
Bezel Screw SH-0061$0.45
7-Light Cover, Black HL-0125$2.50
8-Helmsman Bezel HL-0004$25.00
9-Filler Plug Screw SH-0138$0.70
10- Sunshade Retaining Nut SH-0038$0.95
11-Helmsman Diaphragm Retainer HL-0073$15.00
12-Diaphragm Retainer Screw SH-0062$0.38
Balance Tab Retainer SH-0052$0.95
15-Sunshade Assembly HL-0088ASY$43.00Color: 
16-Black Helmsman Sunshade w/ Green LED HL-0131ASY$43.00
18-Sunshade Retaining Screw SH-0067$0.95
Hole Plug SH-0045$0.95Color: 
20-Compensator Rod HL-0079MAG$9.00
23-Helmsman Direct Read Dial HL-0017ASY$47.00
24- Helmsman Dial (Black Open Faced) HL-0120ASY$47.00
25-Helmsman Balance Tab HL-0003$3.10
-LED & Wire SH-0195ASY$15.00Color: 
27- Helmsman Dial/Pan Assembly (1996-2006) HL-0156ASY$48.00
34- Helmsman Gimbal Pan/Ring (Direct Read) HL-0129ASY$48.00
35-Helmsman Gimbal Pan/Ring (open faced dial) HL-0128ASY$48.00
44-Housing HL-0029$52.00