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NSN 5306-01-248-5892

Close Tolerance Hex Head Bolt

About this product

Between 1.499 inches and 1.529 inches fastener length, undercut hexagon head style, between 0.125 inches and 0.140 inches head height, width between flats: between 0.430 inches and 0.438 inches .

Manufacturer part number BACB30NF4H18 for national stock number 5306012485892.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-248-5892.

  • MPN or Model

    BACB30NF4H18

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.389 inches
  • Fastener Length
    Between 1.499 inches and 1.529 inches
  • Head Style
    Undercut hexagon
  • Head Height
    Between 0.125 inches and 0.140 inches
  • Width Between Flats
    Between 0.430 inches and 0.438 inches
  • Hole Diameter
    Between 0.046 inches and 0.056 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • End Application
    Used on sentry f22 aircraft
  • Thread Diameter
    0.2500 inches
  • Grip Length
    Between 1.115 inches and 1.135 inches
  • Hole Quantity
    3
  • Hole Type
    Drilled
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    140000 pounds per square inch
  • Hole Configuration Style
    Hexagon corners
  • Part Name Assigned By Controlling Agency
    Bolt, shear
  • Material
    Steel comp 4340 or steel comp 8740
  • Material Specification
    Mil-s-5000 military specification 1st material response or ams6322 assn standard 2nd material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 ty2 cl2 federal specification all treatment responses
  • Thread Series Designator
    Unjf
  • Specification Data
    81205-bacb30nf manufacturers standard
More from these suppliers
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 5306012485892

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACB30NF4H18 Valley-todeco, Inc.
BACB30NF4H18 Huck International, Inc.
BACB30NF4H18 Sps Technologies, Llc
BACB30NF4H18 Alcoa Global Fasteners, Inc.
BACB30NF4H18 Huck Intl Inc
BACB30NF4-18 The Boeing Company
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