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MS20005-19

Military Standard Internal Wrenching Bolt

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Description

Internal Wrenching Bolt

Specifications

Fastener Length 1.735 inches minimum and 1.765 inches maximum
Hardness Rating 34.0 rockwell c minimum and 40.0 rockwell c maximum
Head Diameter 0.521 inches minimum and 0.531 inches maximum
Head Height 0.302 inches minimum and 0.322 inches maximum
Internal Drive Style Hexagon
Material Steel
Min. Tensile Strength (psi) 160000 pounds per square inch
Surface Treatment Cadmium
Surface Treatment Specification Qq-p-416,ty 2 cl 2 fed spec single treatment response
Thread Class 3a
Thread Diameter 0.312
Thread Direction Right-hand
Thread Length 0.538 inches minimum and 0.588 inches maximum
Thread Qty Per Inch (tpi) 24
Thread Series Designator UNF
Width Across Flats 0.219 inches minimum and 0.221 inches maximum

Other sizes

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

Cross-reference

No interchangeable or dimensionally similar parts are on record for MS20005-19. Try the cross-reference lookup to search by a different part number.

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