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NSN 5306-01-350-0651

Close Tolerance Hex Head Bolt

About this product

Between 2.318 inches and 2.365 inches fastener length, double hexagon head style, between 0.154 inches and 0.174 inches head height, width between flats: 0.439 inches .

Manufacturer part number BM17019-4D31 for national stock number 5306013500651.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-350-0651.

  • MPN or Model

    BM17019-4D31

  • 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)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.397 inches
  • Fastener Length
    Between 2.318 inches and 2.365 inches
  • Head Style
    Double hexagon
  • Head Height
    Between 0.154 inches and 0.174 inches
  • Width Between Flats
    0.439 inches
  • Grip Diameter
    Between 0.2490 inches and 0.2495 inches
  • Shank Unthreaded Hole Diameter
    0.076 inches first hole and 0.081 inches first hole
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 1.927 inches and 1.947 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    125000 pounds per square inch
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    2.197 inches first hole and 2.254 inches first hole
  • Material
    Steel comp xm-13
  • Material Specification
    St3-453, cage76301 mfr ref single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • 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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NSN 5306013500651

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BM17019-4D31 Huck Intl Inc
MB61-4D31 Hi-shear Corporation
MB61-4D31 Lisi Aerospace Canada Corp
VS3204-4D31 Arconic Global Fasteners & Rings,
ST3M453-4D31 Heartland Precision Fasteners, Inc.
S353-4D31 Huck International, Inc.
ST3M453-4D31 Sonic Industries Inc.
ST3M453-4D31 Fastener Innovation Technology, Inc.
ST3M453-4D31 Thomas, Arthur H Co (inc)
11825-4D31 Reid Products Inc.
ST3M453-4D31 Sps Technologies, Llc
109453-4D31 Sps Technologies, Llc
VAL2309-4D31 Valley-todeco, Inc.
AIC753-4D31 Sps Technologies, Llc
PBF1253-4D31 Sps Technologies, Llc
S353-4D31 Grimes Aerospace Co
ST3M453-4D31 Boeing Company, The
ST3M453-4D31 Kenaloy Products Inc Sub
S353-4D31 Huck Intl Inc
BM17019-4D31 Deutsch Co The
VS3204-4D31 Alcoa Global Fasteners, Inc.
GS1016-4D31 B & B Specialties Inc.
Stock Check
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