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AN148859

Aeronautical Standard Screw

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Description

Fastener Length: 11/16", Hole Diameter: 1/16", Thread: 3/8-24, Head Width: 5/16", Thread Length: 11/16"

Specifications

Fastener Length 0.678 inches minimum and 0.698 inches maximum
Hardness Rating 32.0 rockwell c minimum and 36.0 rockwell c maximum
Head Diameter 0.562
Head Height 0.360 inches minimum and 0.380 inches maximum
Head Style Flat chamfer
Hole Configuration Style Round
Hole Diameter 0.070
Hole Quantity 6
Hole Type Drilled
Internal Drive Style Hexagon
Length 11/16
Material Steel
Material Specification Ams 6322 assn std single material response
Surface Finish 32.0 microinches threads, 63.0 microinches bearing surface of head, 63.0 microinches grip
Surface Treatment Cadmium
Surface Treatment Specification Ams 2400 assn std single treatment response
Thread Class 3a
Thread Diameter 0.375
Thread Direction Right-hand
Thread Length 0.595 inches minimum and 0.698 inches maximum
Thread Qty 24
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNF
Thread Size 3/8
Width Across Flats 0.313 inches minimum and 0.315 inches maximum

Cross-reference

No interchangeable or dimensionally similar parts are on record for AN148859. Try the cross-reference lookup to search by a different part number.

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