TM 5-3815-221-14&P
b. To help mechanics know when metric fasteners are used on a product, future service publications ;such as
parts books and operation/maintenance manuals will use a notice similar to the one that follows:
NOTICE
CAUTION MUST BE TAKEN TO AVOID MIXING METRIC AND INCH (CUSTOMARY) FASTENERS.
MISMATCHED OR INCOERECT FASTENERS CAN RESULT IN EQUIPMENT DAMAGE OR MALFUNCTI1N, OR
POSSIBLE PERSONAL INJURY. ORIGINAL FASTENERS REMOVED FROM THE VEHICLE SHOULD BE SAVED FOR
ASSEMBLY WHEN POSSIBLE. IF NEW FASTENERS ARE REQUIRED, CAUTION MUST BE TAKEN TO REPL%CE
THE FASTENER WITH ONE THAT IS OF THE SAME SPECIFICATIONS (SIZE/GRADE) AS THE ORIGINAL.
c. To convert inches to millimeters, o' millimeters to inches, see The Metric System And Equivalents (inside
back cover).
B-4
