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NSN 5305-01-197-3569

High Torque Screw

About this product

Tapped hole in head 0.1380-32,unjc-3b threads. Distance from top of head to injection port 0.200 inch. Injection port 0.120 in. Lg,0.060 in. Wide.

Manufacturer part number HT4075D4-8-20 for national stock number 5305011973569.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-197-3569.

  • MPN or Model

    HT4075D4-8-20

  • 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 0.444 inches and 0.494 inches
  • Fastener Length
    Between 0.954 inches and 0.984 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.497 inches and 0.507 inches
  • Grip Diameter
    Between 0.2490 inches and 0.2495 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.490 inches and 0.510 inches
  • Thready Qty Per Inch (tpi)
    28
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Material
    Steel comp xm-13
  • Material Specification
    Ams 5629 assn standard single material response
  • Surface Treatment
    Passivate
  • 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 5305011973569

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT4075D4-8-20 Arconic Global Fasteners & Rings,
HT4075D4-8-20 Hi-shear Corporation
3M1034C4-8-20 Boeing Company, The
HT4075D4-8-20 Sps Technologies, Llc
HT4075D4-8-20 Lisi Aerospace Canada Corp
11839C4-8-20 Reid Products Inc.
HT4075D4-8-20 Alcoa Global Fasteners, Inc.
HT4075D4-8-20 Sps Technologies, Llc
HT4075D4-8-20 Naval Inventory Control Point
3M1034C4-8-20 Boeing Company, The
Stock Check
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