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NSN 5305-01-398-7402

High Torque Screw

About this product

Between 0.920 inches and 0.930 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 HR240-4-8 for national stock number 5305013987402.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-398-7402.

  • MPN or Model

    HR240-4-8

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.425 inches
  • Fastener Length
    Between 0.920 inches and 0.930 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 0.490 inches and 0.510 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
  • Surface Finish
    32.0 microinches
  • Material
    Titanium alloy uns r56400
  • Thread Series Designator
    Unjf
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 5305013987402

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
HR240-4-8 Hi-shear Corporation
HR240-4-8 Lisi Aerospace Canada Corp
T009-4-8 Huck International, Inc.
SC3102-4-8 Sps Technologies Inc
T009-4-8 Huck Intl Inc
SC3102-4-8 Arconic Global Fasteners & Rings,
AIC1652-4-8 Sps Technologies, Llc
SLB146-4-8 Space-lok, Inc.
03A174-4-8 Northrop Grumman Systems Corporation
PBF1417-4-8 Sps Technologies, Llc
123743-4-8 Sps Technologies, Llc
Stock Check
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