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 enlarge

Ritchie BN-202 Navigator Bulkhead Mount Compass Parts


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(1984-Present) Navigator Repair KitAll the parts needed to repair a leaking Navigator (1984-Present) compass. A Dome (NV-0022), Oring (NV-0054), Diaphram (NV-0021), filler gasket (RSH-0039), A Quart of compass oil (SH-0155)

NV-RepairkitRegular price: $87.70Sale price: $84.00
Click to enlarge1-Navigator DomeMeasures 4-1/8" where it meets the bezel. Measures 4-1/2" at the base of the dome.

NV-0022$37.50
Click to enlarge2-Navigator Oring
NV-0054$11.00
Click to enlarge3-Navigator DiaphramMeasures 3-1/8" in diameter

NV-0021$19.00
Click to enlargeFiller Plug Gasket
RSH-0039$0.95
Filler Plug Screw 5-NV-0086$0.95
Click to enlargeNavigator Bowl
NV-0007$42.00
7-Upper Light Assy. NV-0045ASY$18.00
8-Lower Light Assy. NV-0044ASY$19.00
9-Lower Light Housing NV-0047$13.00
10-Lower Light Hsg. Screw NV-0065$0.69
11- Upper Light Housing NV-0048$5.24
12-Upper Light Hsg Screw4-40 X 3/4"

NV-0067$0.69
Click to enlarge13-Mounting Cover
NV-0014$28.00
14- Compensator Rod Compass requires 2

SH-0057MAG$10.00
15- Compensator Assy Retainer SH-0053$2.80
16-Compensator Retainer Screw4-40 X 1/4" rd hd

NV-0066$0.69
17-Top Bezel Ring NV-0005$48.00
18-Red Dial (BN-202) NV-0016ASY$49.00
19- Lubbers Line Platform NV0090ASY$39.00
20- Balance Tab NV-0001$6.80
21-Bezel Screw 21-SH-0061$0.39
Click to enlargeDiaphram Retaining Screw
SH-0062A$0.45
Click to enlarge23- Balance Tab Retainer
23-SH-0052$0.80
Click to enlarge Diaphram Retainer
NV-0057$22.00
35-Compensator Cover NV-0013$4.95
Click to enlarge36-Compensator Cover Retaining Screw4-40 X 1/4"

SH-0064$0.69
GETTING YOUR COMPASS REPAIREDGETTING YOUR COMPASS REPAIREDViking Compass Repair Service specializes in marine compass repair. We repair compasses manufactured from the early 1800's to present day marine compasses.

We are an authorized warranty repair station for most compass manufacturers, including but not limited to E.S.Ritchie, Danforth, Rule, C. Plath. We also repair compasses by: Aquameter, Star Compass Co, Marine Compass Co., Dirigo, Wilfrid O. White and Sons, Kelvin White, Wilcox Crittendon, John Bliss, Baker Lyman, Lionel

In January 2010 Viking Instruments purchased the entire inventory of Danforth and Aquameter compass parts as well as the tooling necessary to continue manufacturing replacement compass parts. Viking Instruments is the exclusive manufacture and distributer of Danforth and Aquameter compass parts and service.

If you are interested in getting an estimate to repair your compass. Pack it up carefully and ship it to;

Viking Instruments, Inc. 182 Summer St #158 Kingston MA 02364

Please be sure to include your name, address and phone number with the compass. We will contact you via telephone or email within 2-3 working days from receipt of your compass.

Most current production compasses can be repaired and be ready for return shipment less than two weeks of the date of customer approval.

If you wish to speak to someone in our shop concerning your compass you may call 781-585-2100 Monday- Thursday From 9:30-5:00 E.S.T.

Our office at

62 Main St Unit 104 Kingston, MA 02364

is open by appointment only Monday, Tuesday and Thursday 12:00-5:00

4-1/2" Ritchie BN-202 Bulkhead Compass4-1/2" Ritchie BN-202 Bulkhead CompassBulkhead mount BN-202 Ritchie compass with direct reading and forward reading red dial offers top-of-the-line performance for sailboats under any conditions.

BN-202Regular price: $526.00Sale price: $368.00