#9-191-01 Tachometer Revolutions Per Minute | Engine Instruments

9-191-01

Electrical Tachometer Indicator

NSN 6620-01-010-0038

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
010100038

Product Features

8displays percent of rpm of the n1 (low compressor) rotors of 4 turbofan jet engines; consists of 4 vertical scales each which indicates 0-110% rpm; each scale operates independently; 5 volt dial lighting; weight 4 lbs; 45 degree visibility of scale

Technical Specifications of NSN

Width:
1.750 inches
Length:
9.280 inches
Current Type:
Ac
Ac Voltage Rating:
115.0 volts
Frequency Rating:
400.0 hertz
Scale Range:
+0.1/+110.0 percent revolutions per minute single indicator all scales
Electrical Connection Quantity:
1
Electrical Connection Identifying Number:
Ms27656t19f32p
Part Name Assigned By Controlling Agency:
Rpm indicator
Height:
6.310 inches
Supplementary Features:
Tech order 5e6-2-58-3
NSN:
6620-01-010-0038
Item Name:
Tachometer Revolutions Per Minute
Cage Code:
08748

Other Related Parts

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Engine Instruments
--------- Electrical Tachometer Indicators
------------ P/N 9-191-01

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Last Updated: 06/15/2025