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NSN 5305-01-083-2297

High Torque Screw

About this product

Between 0.652 inches and 0.699 inches fastener length, flat countersunk head style, between 0.447 inches and 0.507 inches head diameter, grip diameter: between 0.2483 inches and 0.2492 inches .

Manufacturer part number HT326-4A6 for national stock number 5305010832297.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-083-2297.

  • MPN or Model

    HT326-4A6

  • 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 0.267 inches and 0.334 inches
  • Fastener Length
    Between 0.652 inches and 0.699 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.447 inches and 0.507 inches
  • Grip Diameter
    Between 0.2483 inches and 0.2492 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.365 inches and 0.385 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    220000 pounds per square inch
  • Hardness Rating
    46.0 rockwell c and 50.0 rockwell c
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    32.0 microinches grip
  • Material
    Steel comp h11
  • Material Specification
    Ams 6487 assn standard single material response
  • Surface Treatment
    Cadmium or cadmium and chromate
  • Surface Treatment Specification
    Nas 672 assn standard 1st treatment response or mil-c-8837, type 2 cl 2 military specification 2nd treatment response
  • Thread Series Designator
    Unjf
  • Specification Data
    26512-gb510n manufacturers standard
More from these suppliers
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 5305010832297

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HT326-4A6 Hi-shear Corporation
HT8181F4-6 Alcoa Global Fasteners, Inc.
BM19045-4A6 Huck International, Inc.
HT326-4A6 Lisi Aerospace Canada Corp
SFH22D4A6 Sps Technologies, Llc
SFH22D4A6 Sps Technologies, Llc
GB510N4A6 Northrop Grumman Systems Corporation
BM19045-4A6 Huck Intl Inc
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