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NSN 5305-00-143-0449

High Torque Screw

About this product

Primer applied to screw per fscm 76301,process spec p. S. 13421.

Manufacturer part number 3MA1505-4 for national stock number 5305001430449.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-00-143-0449.

  • MPN or Model

    3MA1505-4

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.292 inches
  • Fastener Length
    Between 0.610 inches and 0.640 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.578 inches and 0.633 inches
  • Grip Diameter
    Between 0.3110 inches and 0.3120 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.938 inches
  • Grip Length
    Between 0.240 inches and 0.260 inches
  • Thready Qty Per Inch (tpi)
    24
  • Min. Tensile Strength (psi)
    160000 pounds per square inch
  • Countersink Angle
    Between 90.0 degrees and 102.0 degrees
  • Material
    Steel comp 4130
  • Material Specification
    66 federal standard single material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, class 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 5305001430449

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3MA1505-4 Boeing Company, The
3MFR1505-4 Boeing Company, The
3MA1505-4 Hi-shear Corporation
3MA1505-4 Sps Technologies, Llc
3MA1505-4 Alcoa Global Fasteners, Inc.
3MA1505-4 Lisi Aerospace Canada Corp
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