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NSN 5305-01-197-6515

High Torque Screw

About this product

Internal drive ribbed.

Manufacturer part number SC1786R-3-9D for national stock number 5305011976515.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-197-6515.

  • MPN or Model

    SC1786R-3-9D

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.314 inches and 0.364 inches
  • Fastener Length
    Between 0.886 inches and 0.916 inches
  • Head Style
    Oval countersunk
  • Head Diameter
    Between 0.2966 inches and 0.3016 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Shank Unthreaded Hole Diameter
    0.070 inches first hole and 0.080 inches first hole
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.552 inches and 0.572 inches
  • Thready Qty Per Inch (tpi)
    32
  • Hardness Rating
    36.0 rockwell c and 40.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    0.760 inches first hole and 0.800 inches first hole
  • Surface Finish
    32.0 microinches threads
  • Material
    Steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2, class 2 federal specification single treatment response
  • Thread Series Designator
    Unjf
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Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305011976515

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
SC1786R-3-9D Arconic Global Fasteners & Rings,
PBF1381-6309 Sps Technologies, Llc
123179A3R9D Sps Technologies, Llc
A175-6309 Huck International, Inc.
LE111-0035-6309 Boeing Company, The
LE111-0035-6309 Sps Technologies, Llc
LE111-0035-6309 Sps Technologies, Llc
LE111-0035-6309 Sonic Industries Inc.
A175-6309 Huck Intl Inc
Stock Check
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