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NSN 5305-01-606-6957

High Torque Screw

About this product

Between 1.813 inches and 1.843 inches fastener length, flat countersunk head style, between 0.692 inches and 0.783 inches head diameter, head height: 0.166 inches .

Manufacturer part number NAS7306A20X for national stock number 5305016066957.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-606-6957.

  • MPN or Model

    NAS7306A20X

  • Schedule B
    8108.90.8000 (Other wrought titanium, nesoi)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.578 inches
  • Fastener Length
    Between 1.813 inches and 1.843 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.692 inches and 0.783 inches
  • Head Height
    0.166 inches
  • Grip Diameter
    Between 0.3896 inches and 0.3901 inches
  • Internal Drive Style
    Cruciform ribbed
  • End Application
    Kc-135 aircraft
  • Thread Diameter
    0.3750 inches
  • Grip Length
    Between 1.24 inches and 1.26 inches
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Bolt, 100 degrees head, cruciform recess close tolerance, 6al-4v titanium alloy, long thread, self-locking and non locking
  • Material
    Titanium alloy
  • Material Specification
    Titanium alloy 6al-4v per ams4928 or ams4967 national std/spec single material response
  • Surface Treatment
    Aluminum
  • Surface Treatment Specification
    Nas4006 national std/spec single treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    80205-nas7303 through 7316 professional/industrial association standard
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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 5305016066957

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS7306A20X National Aerospace Standards
NAS7306A20X The Boeing Company
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