AN380-4-4

AN380 cotter pin

AN380-4-4 cited reference fields
Head / form	Cotter pin
Diameter / thread / size	nominal 1/8 (DIA ±.005)
Grip / length / thickness	length 1" (L ±1/16)
Material / finish	Low carbon steel, cadmium plate QQ-P-416 or zinc plate QQ-Z-325
Reference confidence	high
Source	AN380 Rev 7 sheet 1 ↗

Head / form source: AN380 Rev 7 sheet 1

Source notes and limits

"ADD "C" BEFORE FIRST DASH NUMBER FOR CORROSION-RESISTANT STEEL." "DASH NUMBERS LISTED ARE FOR LOW CARBON STEEL."
MS24665F Table VIII: use MS24665-353 (carbon steel, cadmium plated per qq-p-416, type ii, class 3, 1/8 x 1, Table IV).
Example: "EXAMPLE OF PART NUMBERS: AN380-2-2 = 1/16 PIN 1/2 INCH LONG, LOW CARBON STEEL. AN380C2-2 = 1/16 PIN 1/2 INCH LONG, CORROSION-RESISTANT STEEL."
"CANCELED AFTER 1 AUGUST 1968." "INACTIVE FOR DESIGN AFTER 1 MARCH 1961 USE MS24665." (AN380 sheet 1).
"AN380 AND MS24665 CARBON STEEL COTTER PINS OF THE SAME NOMINAL DIAMETER AND BASIC LENGTH ARE UNIVERSALLY, FUNCTIONALLY AND DIMENSIONALLY INTERCHANGEABLE."
FAA AC 43.13-1B para 7-103 (p.7-17): "COTTER PINS (AN380). Cotter pins are used for securing bolts, screws, nuts, and pins. Use AN381 or MS24665 cotter pins in locations where nonmagnetic material or resistance to corrosion is desired. Cotter pins should not be reused."

Relations below are the cited document's statements. Check the controlling drawing and current standard before substitution.

Reference only: the controlling drawing, its process spec and the manufacturer's installation instructions govern. How to use these answers