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NSN 5306-01-121-1656

Hook Bolt

About this product

2 keyways in thd end 0.125 in. Min to 0.130 in. Max w by 0.245 in. Lg.

Manufacturer part number 74A410640-2001 for national stock number 5306011211656.

Datasheet

  • Product description

    Internally Relieved Body Bolt NSN 5306-01-121-1656.

  • MPN or Model

    74A410640-2001

  • 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
    0.300 inches
  • Fastener Length
    1.750 inches
  • Head Style
    Dee
  • Head Diameter
    1.000 inches
  • Head Height
    0.093 inches
  • Distance From Centerline To Flat
    Between 0.435 inches and 0.440 inches
  • Counterbore Diameter
    Between 0.438 inches and 0.440 inches
  • Counterbore Depth
    1.558 inches
  • Concentric Hole Diameter
    Between 0.406 inches and 0.413 inches
  • Thread Diameter
    0.625 inches
  • Thready Qty Per Inch (tpi)
    18
  • Min. Tensile Strength (psi)
    280000 pounds per square inch
  • Criticality Code Justification
    Aasy
  • Material
    Steel
  • Material Specification
    Mil-s-8844, class 3, cond e2 military specification single material response
  • Surface Treatment
    Chromate
  • Style Designator
    Counterbore unthreaded
  • Thread Series Designator
    Unjf
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Internally Relieved Body Bolt

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Mechanic Bill explains Hook Bolt

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NSN 5306011211656

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
74A410640-2001 Boeing Company, The
10115763 Nimikkeistokeskus Ncb Finland
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