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NSN 5305-01-612-8000

High Torque Screw

About this product

Between 0.730 inches and 0.760 inches fastener length, pan head style, between 0.306 inches and 0.322 inches head diameter, head height: between 0.105 inches and 0.115 inches .

Manufacturer part number NAS7802U5 for national stock number 5305016128000.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-612-8000.

  • MPN or Model

    NAS7802U5

  • 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
    0.323 inches
  • Fastener Length
    Between 0.730 inches and 0.760 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.306 inches and 0.322 inches
  • Head Height
    Between 0.105 inches and 0.115 inches
  • Grip Diameter
    0.163 inches
  • Internal Drive Style
    Cruciform ribbed
  • Grip Length
    Between 0.302 inches and 0.322 inches
  • Nonstandard Thread Pitch Diameter
    +0.132 to 0.164 inches
  • Thready Qty Per Inch (tpi)
    32
  • Part Name Assigned By Controlling Agency
    Bolt, pan head, close tolerance, short thread, cruciform recess, a286 cres, nonlocking
  • Material
    Stainless steel
  • Material Specification
    Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response or ams 5853 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    -qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unc
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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 5305016128000

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
NAS7802U5 National Aerospace Standards
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