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MS27039BP8-40

MS27039 structural screw, pan head

MS27039BP8-40 cited reference fields
Head / formPan head, structural, cross recessed
Diameter / thread / size.500-20 UNF-3A (dash 8-40)
Grip / length / thicknesslength 2.578", grip 1.750"
Material / finishBP: Cadmium Plated Manganese Screw
Reference confidencehigh
SourceMS27039F (15 November 1995), Screw, Machine - Pan Head, Structural, Cross Recessed, p.3-5 Requirements 6-7, Table III ↗

Head / form source: MS27039F title, p.1

Source notes and limits

  • "The part number shall consist of the basic MS number followed by the material and finish code followed by the dash number." (p.3, Requirement 7)
  • Table II (p.3), pounds min: ultimate tensile 13,600, ultimate double shear 20,000.
  • Table II has one Manganese Bronze column; it is used for both BP and B.
  • Supersession: MS27039F, dated 15 NOVEMBER 1995, is hereby canceled and superseded by NASM27039. The Part Identification Number (PIN) for MS27039F and the part number for NASM27039 are identical. The part numbers have not been changed. (MS27039F Notice 2, Notice of Cancellation (17 January 2006))

Reference only: the controlling drawing, its process spec and the manufacturer's installation instructions govern. How to use these answers