TM 55-2840-254-23
1-120 DETERMINE DEPTH OF DAMAGE FROM CHAFING, DENTING, SCRATCHING,
1-120
GOUGING, OR WEAR (Continued)
d. Determine distance between surfaces (7) in
undamaged area. Use inside caliper (9).
e. Measure set thickness on inside caliper (9).
Use outside micrometer caliper. Record
as Dimension D.
f. Subtract Dimension D from Dimension C.
Answer is depth of damage.
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