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NSN 5305-00-486-7937

High Torque Screw

About this product

Spring loaded metal balls protruding from grip for positive engagement.

Manufacturer part number HL7126-1 for national stock number 5305004867937.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-486-7937.

  • MPN or Model

    HL7126-1

  • 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
    Between 0.277 inches and 0.298 inches
  • Fastener Length
    Between 0.872 inches and 0.892 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.318 inches and 0.338 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Shank Unthreaded Hole Diameter
    0.070 inches first hole and 0.080 inches first hole
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.594 inches and 0.595 inches
  • Thready Qty Per Inch (tpi)
    32
  • Min. Tensile Strength (psi)
    180000 pounds per square inch
  • Hardness Rating
    39.0 rockwell c and 45.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Distance From Head Largest Bearing Surface To Shank Hole Center
    0.793 inches and 0.809 inches first hole
  • Surface Finish
    63.0 microinches grip
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp 8740
  • Material Specification
    Mil-s-6049 military specification single material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416, type 2, cl 3 federal specification single treatment response
  • Thread Series Designator
    Unjf
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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 5305004867937

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HL7126-1 Rockwell Collins Electromechanical
GB510K3-08 Northrop Grumman Systems Corporation
AS109-03-08 Avibank Mfg., Inc.
VP1120-3-08 Alcoa Global Fasteners, Inc.
CA4740-0308 Arconic Global Fasteners & Rings,
CA4740-03-08 Telair International Incorporated
HL7126-1 Sargent Aerospace & Defense, Llc
HL7126-1 Rockwell Collins Electromechanical
CA4740-03-08 Telair International Incorporated
GB510K3-08 Northrop Grumman Systems Corporation
CA4740-0308 Arconic Global Fasteners & Rings,
AS109-03-08 Avibank Mfg., Inc.
VP1120-3-08 Alcoa Global Fasteners, Inc.
HL7126-1 Sargent Aerospace & Defense, Llc
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