TM 5-3805-254-20-1
COTTER PINS
NOTE
There are two basic cotter pin installations for slotted nuts and clevis pins. Steps 1, 2, and 3 are
for slotted nuts and steps 4, 5, and 6 are for clevis pins.
1.
Put cotter pin (1) through slotted nut (2) and screw (3).
2.
Roll long end of cotter pin (1) over end of screw (3) using long-nose pliers, and tap pin onto screw (3) using
hammer.
3.
Cut short end of cotter pin (1) with diagonal pliers if needed, and bend down into slotted nut (2) using long-nose
pliers.
4.
Put cotter pin (1) through clevis pin (4).
5.
Roll cotter pin (1) ends over clevis pin (4) using long-nose pliers.
6.
Cut off excess cotter pin (1) ends using diagonal pliers.
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