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AN500-416-12
Aeronautical Standard Machine Screw
Description
All part numbers will follow this format: AN###. To further distinguish between the part numbers, you'll notice that a dash ("-") has been added, followed by some specific variation of more numbers. If there is an "A" after the dash, the part is cadmium plated, Type II, Class 3, with a drilled head. If there is NOT an "A" after the dash, the part is Cadmium plated, Type I. AN500 (coarse thread) and AN501 (fine thread) slotted fillister head screws are fabricated from carbon steel. Tensile strength 55,000 PSI AN502 (fine thread) and AN503 (coarse thread) drilled head, slotted fillister head screws are fabricated from steel meeting specification MIL-S-6050. Tensile strength 125,000 PSI. Cadmium plated, Type II Class 3
Specifications
| Fastener Length | Between 0.719 inches and 0.750 inches |
|---|---|
| Head Diameter | Between 0.389 inches and 0.414 inches |
| Head Height | Between 0.161 inches and 0.170 inches |
| Head Style | Fillister |
| Internal Drive Style | Slot |
| Length | 3/4 |
| Length (in.) | 3/4 |
| MS Dash # | MS35265-81 |
| Material | Steel |
| Min. Tensile Strength (psi) | 60000 pounds per square inch |
| Nondefinitive Specification/Std Data | I type and 4s style |
| Screw Material | Steel |
| Screw Surface Treatment | Cadmium |
| Thread Class | 2a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.719 inches and 0.750 inches |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 1/4-20 |
| Type | Coarse Thread |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- AN500-416-12
- AN500-416-18
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN500-416-12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error