Model #2794172-1

Rotating counter (NSN 6680-01-209-0021)

Special Features
Direction of rotation of input shaft to increase count; drive: one ccw revolution of input shaft equals a count increase of 10; background of tape dull black color 37038 per fed-std-595; material and finish: frame aluminum alloy black anodized, shafts and transfer gearing stainless steel; ball bearings on all shafts; lubrication: ge-f50 versilube in ball bearings; torque 0.5 in. Oz. Max. To start counter at any position or drive counter at any speed less than 600 rpm within temp range of -55 degrees c to +125 degrees c; counter intended for use in an instrument which is wedge lighted white per mil-l-27160; end play 0.003 max input shaft
Description

3.906 inches minimum and 3.931 inches maximum overall length.

Shaft Diameter
0.124 inches
Shaft Length
0.230 inches
Overall Diameter
Between 0.641 inches and 0.671 inches
End Application
6605-01-183-2220 hsi, b-1b acft
Register Quantity
2
Figure Height
0.187 inches all registers all tiers
Register Function
Add all registers all tiers and subtract all registers all tiers
Actuating Device Location
Left side all registers all tiers
Mounting Facility Type And Quantity
Slot
Mounting Type For Which Designed
Base all registers all tiers
Numeral Display Method
Drum
Numeral Readout
000 all registers all tiers and 359 all registers all tiers
Shaft Rotation Direction And Maximum Speed In Rpm
600.0 clockwise all registers all tiers and 600.0 counterclockwise all registers all tiers
Color
White, federal standard 595, 37875 all registers all tiers figure
Style Designator
Unenclosed cylindrical
Supplementary Features
Manufacturers name: counter, course; tape angle counter
Description
Counter,rotating
Cage Code
55972

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Updated: 11/22/2024