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NSN 5305-01-128-6655

High Torque Screw

About this product

0.687 inches fastener length, flat countersunk head style, between 0.231 inches and 0.279 inches head diameter, grip diameter: between 0.1365 inches and 0.1375 inches .

Manufacturer part number 72B235003-2001 for national stock number 5305011286655.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-128-6655.

  • MPN or Model

    72B235003-2001

  • 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
  • Fastener Length
    0.687 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.231 inches and 0.279 inches
  • Grip Diameter
    Between 0.1365 inches and 0.1375 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.138 inches
  • Thready Qty Per Inch (tpi)
    32
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 309
  • Material Specification
    Qq-s-763 federal specification all material responses
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 type 1, type 2, type 3 or type 6 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 5305011286655

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
72B235003-2001 Boeing Company, The
72B235003-2001 Boeing Company, The
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