AN3–AN20
Airframe bolt, 3/16 in, 5/8 in long, 10-32 UNF.
- Type
- General-purpose hex-head bolt
- Diameter
- 3/16 in
- Thread
- 10-32 UNF
- Length
- 5/8 in. 5/8 in. A single dash digit is the length in eighths.
- Material
- Cadmium-plated steel (no material letter)
- Head
- Head not called out as drilled
- Shank
- Undrilled (A). Use a self-locking nut, not a cotter pin.
- Grip estimate
- About 0.250 in unthreaded, using a nominal thread length of 0.375 in. The threaded portion should not sit in shear. Confirm grip on the bolt.
Shop decoder from the AN numbering rules taught in FAA-H-8083-30. It is not a substitute for the standard or the aircraft parts catalog.