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AN515-5R5

Aeronautical Standard Screw

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Description

Fastener Length: 5/16", Thread: 5-40, Thread Length: 5/16"

Specifications

Fastener Length 0.281 inches minimum and 0.312 inches maximum
Head Diameter 0.217 inches minimum and 0.236 inches maximum
Head Height 0.095 inches maximum
Head Style Round Head
Internal Drive Style Cross recess type 1
Length 5/16
Material Steel
Min. Tensile Strength (psi) 60000 pounds per square inch
Nondefinitive Specification/Std Data 3 type and 1c style
Screw Material Steel
Screw Material Specification Qq-s-634 fed spec single material response or qq-s-637 fed spec single material response or 66 fed std single material response
Screw Surface Treatment Cadmium
Screw Surface Treatment Specification Qq-p-416,ty 1,cl 3 fed spec single treatment response
Thread Class 2a
Thread Diameter 0.125
Thread Direction Right-hand
Thread Length 0.231 inches minimum and 0.312 inches maximum
Thread Qty 40
Thread Qty Per Inch (tpi) 40
Thread Series Designator UNC
Thread Size 5

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.

  • 655-123-9004 Commercial #5-40 · 5/16 in · Round Head · Plastic
  • LL22A50S5M Other #5-40 · 5/16 in · Round Head · Plastic

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