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NTE Vernier Counting Dial 503-0006


Vernier scale dial 15 turns


NTE Vernier Counting Dial 503-0006

Vernier Counting Dial 15 Turns


  •  Vernier Scale
  • No. 4-40 hex socket set screw for mounting
  • Brake lever knob
  • Open window display
  • Satin chrome finish, black markings


Readout and Operation:
Unit shall register a total count of 1499. The number in the center of the window (0 thru 14) indicates completed number of turns of the drive sleeve. Graduated circular dial indicates the percent of a partial turn of the drive sleeve.
Minor Scale Division: 1/100 turn
Indication: 0 to 14.99 turn
Accuracy: Backlash shall be zero between graduated dial and drive sleeve.
Rotation: The indication shall increase with clockwise and decrease with a counterclockwise rotation.
Transfer Point: The number in the center on the window shall change as graduated dial rotates between 94 and 0.

Shaft Bore: 0.250″
Runout: 0.004 in/in (Note 1)
Mounting: Unit shall mount directly to shaft with No. 4-40 hex socket set screw, located adjacent to No. 75 on graduated dial (hex key included)

Note 1. Dial to be free running and without binds when axis of drive sleeve is perpendicular to mounting surface within the specified dimension.

Equivalent Spectrol No. 21-1-11

Data Sheet

Availability: 2-3 days

Part No. 503-0006


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