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NSN 5306-01-206-7256

Close Tolerance Hex Head Bolt

About this product

Between 0.701 inches and 0.748 inches fastener length, double hexagon head style, between 0.177 inches and 0.197 inches head height, width between flats: between 0.482 inches and 0.502 inches .

Manufacturer part number BM17019-5-4 for national stock number 5306012067256.

Datasheet

  • Product description

    Close Tolerance Bolt NSN 5306-01-206-7256.

  • MPN or Model

    BM17019-5-4

  • 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 0.441 inches and 0.508 inches
  • Fastener Length
    Between 0.701 inches and 0.748 inches
  • Head Style
    Double hexagon
  • Head Height
    Between 0.177 inches and 0.197 inches
  • Width Between Flats
    Between 0.482 inches and 0.502 inches
  • Grip Diameter
    Between 0.3115 inches and 0.3120 inches
  • Thread Diameter
    0.312 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Thready Qty Per Inch (tpi)
    24
  • Material
    Steel comp xm-13
  • Material Specification
    Ams5629 assn standard 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 5306012067256

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BM17019-5-4 Huck International, Inc.
S353-5-4 Huck International, Inc.
VS3204-5-4 Arconic Global Fasteners & Rings,
ST3M453-5-4 Boeing Company, The
ST3M453-5-4 J M Precision Inc
ST3M453-5-4 M.s. Aerospace Inc.
ST3M453-5-4 Heartland Precision Fasteners, Inc.
ST3M453-5-4 Fastener Innovation Technology, Inc.
ST3M453-5-4 Sps Technologies, Llc
11825-5-4 Reid Products Inc.
ST3M453-5-4 Alcoa Global Fasteners, Inc.
S11-1060-5-4 Sonic Industries Inc.
VAL23029-5-4 Valley-todeco, Inc.
AIC753-5-4 Sps Technologies, Llc
PBF1253-5-4 Sps Technologies, Llc
MB61-5-4 Hi-shear Corporation
109453-5-4 Sps Technologies, Llc
MB61-5-4 Lisi Aerospace Canada Corp
ST3M453-5-4 Kenaloy Products Inc Sub
KS3020-5-4 Kenaloy Products Inc Sub
BM17019-5-4 Huck Intl Inc
S353-5-4 Huck Intl Inc
ST3M453-5-4 Abounding Security Inc
109453-5-4 Sps Technologies, Llc
VS3204-5-4 Alcoa Global Fasteners, Inc.
MA5453-5-4 Abounding Security Inc
GS1016-5-4 B & B Specialties Inc.
Stock Check
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