cotter pin

(redirected from cotter pins)
Also found in: Thesaurus, Encyclopedia.
click for a larger image
cotter pin

cotter pin

n.
A split cotter inserted through a hole or holes and bent at the ends to fasten two or more parts together.

cotter pin

n
1. (Mechanical Engineering) a split pin secured, after passing through holes in the parts to be attached, by spreading the ends
2. (Mechanical Engineering) a tapered pin threaded at the smaller end and secured by a nut after insertion

cot′ter pin`


n.
a cotter having a split end that is spread after being pushed through a hole to prevent it from working loose.
[1890–95]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cotter pin - a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apartcotter pin - a cotter consisting of a split pin that is secured (after passing through a hole) by splitting the ends apart
cottar, cotter - fastener consisting of a wedge or pin inserted through a slot to hold two other pieces together
References in periodicals archive ?
These include split cotter pins, precision dowel pins, groove pins, spring tension pins, spiral pins (coiled spring pins) and taper pins.
4 of TM 9-2355-318-23-3 on how to remove the C-clip, Item 9, and the latch pin, Item 10, and how to replace them with retrofit latch and cotter pins.
Cotter pins or their antecedents have probably been around since someone first hammered a wooden peg through an axle to keep a wheel from falling off.
To correct the problems the A&I/TZ requires replacement of the Westinghouse circuit breakers (part number ETN-1071) with SPD breakers (part number M24175-5-011), installation of plastic insulating bushings (NSN 9G 5970-01-094-1582) around the metal cotter pins installation of plastic thumbscrews (NSN 9G 5970-01-094-3317), and a WARNING plate (see below).
No tools are needed and loose cotter pins with sharp ends are eliminated.
The AD also requires the replacement of all existing bolts and attachment nuts at the forward and aft end attachment of each elevator tab push rod with new bolts and self-locking castellated nuts with cotter pins.
Again using Cessna as an example, one GAPSA member recently received a lot of 50 cotter pins from Cessna, each with its own 8130-3 airworthiness form.