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NSN 5305-01-424-1329

High Torque Screw

About this product

Between 0.985 inches and 1.015 inches fastener length, flat countersunk head style, between 0.449 inches and 0.507 inches head diameter, grip diameter: between 0.2485 inches and 0.2495 inches .

Manufacturer part number 03A173-4-16 for national stock number 5305014241329.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-424-1329.

  • MPN or Model

    03A173-4-16

  • 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
    0.425 inches
  • Fastener Length
    Between 0.985 inches and 1.015 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.449 inches and 0.507 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.565 inches and 0.585 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5737 assn standard single material response or ams 5731 assn standard single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 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 5305014241329

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
03A173-4-16 Northrop Grumman Systems Corporation
03A173-4-16 Huck International, Inc.
03A173-4-16 Sps Technologies, Llc
03A173-4-16 Arconic Global Fasteners & Rings,
03A173-4-16 Sps Technologies, Llc
03A173-4-16 Sps Technologies, Llc
03A173-4-16 Lfc Industries Inc.
03A173-4-16 Hi-shear Corporation
03A173-4-16 Lisi Aerospace Canada Corp
SC3103-4-16 Arconic Global Fasteners & Rings,
03A173-4-16 Northrop Grumman Systems Corporation
03A173-4-16 Sps Technologies, Llc
03A173-4-16 Arconic Global Fasteners & Rings,
03A173-4-16 Huck International, Inc.
03A173-4-16 Sps Technologies, Llc
03A173-4-16 Lfc Industries Inc.
03A173-4-16 Hi-shear Corporation
03A173-4-16 Sps Technologies, Llc
03A173-4-16 Lisi Aerospace Canada Corp
SC3103-4-16 Arconic Global Fasteners & Rings,
Stock Check
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