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NSN 5306-01-628-5591

Close Tolerance Hex Head Bolt

About this product

Between 1.563 inches and 1.593 inches fastener length, flat countersunk head style, between 0.5504 inches and 0.5604 inches head diameter, head height: 0.077 inches .

Manufacturer part number TX1027D6-8A for national stock number 5306016285591.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-628-5591.

  • MPN or Model

    TX1027D6-8A

  • Schedule B
    7508.90.0000 (Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire))
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.578 inches
  • Fastener Length
    Between 1.563 inches and 1.593 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.5504 inches and 0.5604 inches
  • Head Height
    0.077 inches
  • Grip Diameter
    Between 0.3740 inches and 0.3745 inches
  • Internal Drive Style
    Torx
  • End Application
    F18 e/f
  • Thread Diameter
    0.375 inches
  • Grip Length
    0.500 inches
  • Nonstandard Thread Pitch Diameter
    +0.3450 to 0.3479 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Criticality Code Justification
    Agav
  • Part Name Assigned By Controlling Agency
    Bolt, 100 degree reduced head, gear drive recess, inconel 718 (125 ksi shear)
  • Material
    Nickel alloy 718
  • Thread Series Designator
    Unjf
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Close Tolerance Bolt

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

Mechanic Bill explains Close Tolerance Hex Head Bolt

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
TX1027D6-8A Prueftechnik Dieter
3M1170D6-8A Valley-todeco, Inc.
TX1027D6-8A Sps Technologies, Llc
TX1027D6-8A Arconic Global Fasteners & Rings,
3M1170D6-8A Saturn Fasteners Inc
3M1170D6-8A Heartland Precision Fasteners, Inc.
GS1014D6-8A B & B Specialties Inc.
3M1170D6-8A Houston Precision Fasteners I, Lp
TX1027D6-8A Sps Technologies, Llc
TX1027D6-8A Sps Technologies, Llc
3M1170D6-8A Fastener Innovation Technology, Inc.
11845D6-8A Reid Products Inc.
WC1170D6-8A West Coast Aerospace Inc
TX1027D6-8A Hi-shear Corporation
TX1027D6-8A Sps Technologies, Llc
3M1170D6-8A Boeing Company, The
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