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NSN 5305-01-011-3933

High Torque Screw

About this product

Between 1.515 inches and 1.535 inches fastener length, flat countersunk head style, between 0.752 inches and 0.762 inches head diameter, grip diameter: between 0.3735 inches and 0.3745 inches .

Manufacturer part number HT309-6D-18 for national stock number 5305010113933.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-011-3933.

  • MPN or Model

    HT309-6D-18

  • 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
    0.400 inches
  • Fastener Length
    Between 1.515 inches and 1.535 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.752 inches and 0.762 inches
  • Grip Diameter
    Between 0.3735 inches and 0.3745 inches
  • Shank Unthreaded Hole Diameter
    0.106 inches first hole and 0.111 inches first hole
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 1.115 inches and 1.135 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    17000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    0.115 inches first hole and 0.125 inches first hole
  • Material
    Steel
  • Material Specification
    23-105 fscm 76301 mfr ref single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Mac ps13145, mcdonnell douglas corporation mfr ref single treatment response
  • Thread Series Designator
    Unjf
More from these suppliers
Close Tolerance Screw

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (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 designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Mechanic Bill explains High Torque Screw

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NSN 5305010113933

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT309-6D-18 Hi-shear Corporation
BM19031-6-18D Huck International, Inc.
HT309-6D-18 Lisi Aerospace Canada Corp
73991H-6D-18 Sps Technologies, Llc
HT309-6D-18 Alcoa Fastening Systems
HT8177-6D-18 Alcoa Fastening Systems
73991H-6D-18 Sps Technologies, Llc
BM19031-6-18D Alamo Aircraft, Ltd.
HT8177-6D-18 Arconic Global Fasteners & Rings,
ST3M562-6D18 Boeing Company, The
BM19031-6-18D Huck Intl Inc
HT8177-6D-18 Alcoa Global Fasteners, Inc.
ST3M562-6D18 Alamo Aircraft, Ltd.
ST3M562-6D18 Huntington Valley Industries Inc.
HT309-6D-18 Satair A/s
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