TABLE III
|
NSN (Type, style) |
Bezel dia. Inch |
Dial Reading |
Lever travel (inch) |
Max. Force to deflect lever upward (grams) |
|
|
5120-00-273-9791 (Type C, Style I) |
7/8 to 1-3/8 |
0-4-0 |
0.008 |
25% 18 |
100% 23 |
|
5120-00-223-9648 (Type C, Style III) |
7/8 to 1-3/8 |
0-15-0 |
0.030 |
25% 22 |
100% 30 |
3.2 CONSTRUCTION
3.2.1 Position. The zero position of the dials shall be adjustable over a range of 360 degrees and the desired position fixed by a locking device or held by friction means between the case and bezel.
3.2.2 Dial Hands. The width of the tip shall be approximately the same as that of a graduation line on the dial face.
3.2.3 Dial Indicator Range. For Type A indicators, the minimum range shall be 2-1/2 revolutions of the indicating hand unless otherwise specified for applications requiring shorter or greater travel. Types B and C shall have a minimum range of 1 revolution of the dial hand. Dial indicators with longer than specified range are referenced in paragraph 8.4 of ANSI B89.1.10M.
3.2.4 Physical Dimensions. Refer to ANSI B89.1.10M, paragraph 8.2 section (d) for dimensions.
3.2.5 Dial Faces. The dial faces shall have sharp, distinct graduations and figures. Metric dial faces shall be yellow.
3.2.6 Dial Markings. Dial markings shall indicate the value of the least graduation, either inch or millimeter, and shall be in decimals, i.e 0.001 in., not 1/1000 in.; or 0.01 mm, not 1/100 mm.
3.2.7 Dial Numbering. The dial numbering shall always indicate thousandths of an inch or hundredths of a millimeter, regardless of the value of dial marking.
3.3 ACCESSORIES. (Accessories shall be furnished with the dial indicators as specified in Table IV.)
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