cotter pin


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cotter pin

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

Cotter Pin

 

a wire strip semicircular in cross section and bent approximately in half. Cotter pins are used to fasten lightly stressed, coupled parts or to prevent nuts from loosening. After a cotter pin is inserted through a hole, its ends are separated. Half of the pin is longer than the other for convenient separation. Cotter pins are made of carbon steel.

cotter pin

[′käd·ər ‚pin]
(design engineering)
A split pin, inserted into a hole, to hold a nut or cotter securely to a bolt or shaft, or to hold a pair of hinge plates together.

cotter pin

cotter pin: above, below, installation
A metal pin used for fastening; the split ends which project beyond the pin hole are bent back from the axis of the pin.

cotter pin

cotter pinclick for a larger image
A type of split pin used to safely secure a castle nut or a clevis pin. It is formed by doubling a piece of wire, semicircular in cross section, to form a loop at one end. After insertion in a hole or a slot in a nut and through mating crosswise holes in a bolt, the ends of the pins are bent to hold them in place. This fastener is widely used in locations where service inspection is difficult and failure would be disastrous. They are also used to prevent relative motion or sliding. Also called a cotter key.
References in periodicals archive ?
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.
The cotter pin was not installed in the clevis pin at the outboard end of the landing gear actuator rod.
With Valve 1, the trouble is usually the cotter pin that connects the valve to the gear.
Tenders are invited for Cotter Pin Kit For Bogie Of Wdg 3 A Locos Consisting Of 06 Items As Below: Qty In Per Set 1 .
Part NSN Bracket assembly 2590-01-473-2719 Ring spacer 5365-01-473-0415 Ring spacer 5365-01-473-0409 Connecting link 3040-01-472-7745 (M939/A1 kit only) Connecting link 3040-01-472-7747 (M939A2 kit only) Straight pin 5315-00-904-1634 Cotter pin 5315-00-011-9120 Cotter pin 5315-00-012-0123 Plain hex nut (2) 5310-00-891-1733 Straight pin 5315-00-140-1938 Rod end clevis 5340-00-664-7597 Machine bolt (2) 5306-01-123-0891
G) Bolt, NSN 5306-01-037-4886 Washer, NSN 5310-00-209-0698 Nut, NSN 5310-00-834-8755 Cotter pin, NSN 5315-00-843-0138
Tenders are invited for Set Of Control Box Locking Safety Strip, Lavatory Fan Base For Ac Coaches, Base Plate For Limit Switch And Split Cotter Pin For Ac And Non Ac Coaches .
Discard the old hook and install the new one with its pin and cotter pin.
Here are the parts you'll need: Size NSN Spring 5360-01-384-5338 Washer 5310-01-384-4231 Pin 5315-01-385-7871 Cotter pin 5315-01-378-7858
Tenders are invited for Galvanised Dog Bolts 24 Mm Dia ,360Mm Long Threaded Length 110Mm ,With 5 Mm Dia Hole 30Mm Below Top For Cotter Pin Split Pin Length Of Cylindrical Shank 100Mm Below Threaded Portion .