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 Instruments - Tachometers - Superior Labs Incorporated
 
SLI AIRCRAFT TACHOMETERS
 

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For three decades, Superior Labs, Inc. (SLI) has supplied the aircraft OEM's with the finest quality and most reliable mechanical tachometers in the industry for new production aircraft and can be customized for a variety of aircraft applications. These are now available to the public as aftermarket tachometers.

Customize your range markings!
Specify range marking requirements in the
special instructions box at checkout for PN's 10-03684; 10-03686; 10-03687; 10-03688.
Mitchell New P/N
Stewart Warner P/N
Average Cruise RPM
SLI P/N
Part Number
D1-112-5023
P-551-AZ
2300
SL1010-55000-11-N00
10-03684
SL1010-43000-11-N00
10-03686
Application
Aero Commander A9, A9A, A9B
Aeronca 15AC Sedan
Grumman/America AA1, AA1A, AA5
Beech C35, D35, E35, F35
Bellanca/Champion 7EC, 7FC, 7GC, 7HC, 7GCB, 7K, 7ECA, 7GCAA, 7GCBC, 7KCAB, 8KCAB, 260
14-19, Viking 300, Turbo Viking
Cessna 120, 140, 170, 180, 182, 185 w/IO-470 engine, 188, 336, 337
Lake C1, C2, L4, LA4SC, LA5
Mooney M20, M20A, M20D, 21, 200, 201, 202, 220
Piper PA12, PA16, PA18, PA20, PA22, PA23, PA24, PA28, PA30, PA32, PA39
Rockwell 112, 114
Taylorcraft 19, 14A, 20, 20AG, Zephyr

Mitchell New P/N
Stewart Warner P/N
Average Cruise RPM
SLI Number
Part Number
Price
D1-112-5025
P-551-TA
2566
SL1010-55000-14-N00
10-03687
$298.00
SL1010-43000-14-N00
10-03688
$298.00
Application
Beech, All Musketeer models, All Debonair models
Bonanza models G35 thru V35, V35TC, 36, A36, 95, B95, B95A, D95A
Cessna 150, 152, 172, 177, 185 & 188 (w/IO-520 engine), 206, 207, 310, 320
Hello: H250, H 391, H392, H395
Navion E, F, G
Stils: SA9A, SA9B
 
  • Accuracy to within ± 25 RPM
  • Range 0-3500 RPM
  • Diameter 3-1/8"
  • Length 3-1/2"
  • Weight: 13 Oz.
  • Two Years Warranty
Mitchell
New PN
Stewart
Warner
PN
Average
Cruise
RPM
SLI PN Spruce PN Price Buy
D1-112-5023P-551-AZ2300SL1010-55000-11-N0010-03684$295.95
D1-112-5023P-551-AZ2300SL1010-43000-11-N0010-03686$298.00
D1-112-5025P-551-TA2566SL1010-55000-14-N0010-03687$298.00
D1-112-5025P-551-TA2566SL1010-43000-14-N0010-03688$298.00
Accessories Part No. Price Buy
SLI MECH TACH MARKINGS10-03685$61.50
SLI MECH TACH LIGHTING10-03672$101.95
SLI MECH TACH HOURS SET10-03673$56.75