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AN505C2-2

Aeronautical Standard Screw

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Description

Fastener Length: 3/16", Thread: 2-56, Thread Length: 3/16"

Specifications

Countersink Angle 80.0 degrees minimum and 82.0 degrees maximum
Fastener Length 0.156 inches minimum and 0.188 inches maximum
Head Diameter 0.150 inches minimum and 0.172 inches maximum
Head Style Flat countersunk
Internal Drive Style Cross recess type 1
Length 3/16
Material Steel
Screw Material Steel comp 303 or steel comp 303se or steel comp 430 or steel comp 302
Screw Material Specification Mil-s-7720 mil spec 1st material response or mil-s-18732 mil spec 2nd material response or qq-s-763 fed spec 3rd material response or mil-s-7720 mil spec 4th material response
Screw Surface Treatment Passivate
Thread Class 2a
Thread Diameter 0.086
Thread Direction Right-hand
Thread Length 0.152 inches minimum and 0.188 inches maximum
Thread Qty 56
Thread Qty Per Inch (tpi) 56
Thread Series Designator UNC
Thread Size 2

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

  • NAS662-2R3 NAS #2-56 · 3/16 in · Flat countersunk · Steel
  • NAS662C2R3 NAS #2-56 · 3/16 in · Flat countersunk · Steel
  • AN505C2-3 AN #2-56 · 3/16 in · Flat countersunk · Steel

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Catalog data updated 2026-07-05. Report a data error