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NSN 5305-01-356-8977

High Torque Screw

About this product

Between 0.642 inches and 0.672 inches fastener length, flat countersunk head style, between 0.328 inches and 0.385 inches head diameter, grip diameter: between 0.1885 inches and 0.1895 inches .

Manufacturer part number 03A174-3-5 for national stock number 5305013568977.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-356-8977.

  • MPN or Model

    03A174-3-5

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Unit Weight (Est.)
    0.5 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.320 inches and 0.370 inches
  • Fastener Length
    Between 0.642 inches and 0.672 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.328 inches and 0.385 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Internal Drive Style
    Offset cruciform (torque set)
  • End Application
    Aircraft, b-2 bomber (atb); sot equipment (se), b-2 bomber
  • Thread Diameter
    0.190 inches
  • Grip Length
    Between 0.302 inches and 0.322 inches
  • Thready Qty Per Inch (tpi)
    32
  • 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
  • Material Specification
    Ams4928 assn standard single material response or ams4967 assn standard single material 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 5305013568977

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
03A174-3-5 Northrop Grumman Technical Services,
03A174-3-5 Northrop Grumman Systems Corporation
AIC1652-3-5 Sps Technologies, Llc
SC3102-3-5 Arconic Global Fasteners & Rings,
PBF1417-3-5 Sps Technologies, Llc
123743-3-5 Sps Technologies, Llc
HR240-3-5 Hi-shear Corporation
HR240-3-5 Lisi Aerospace Canada Corp
SC3102-3-5 Sps Technologies Inc
T009-3-5 Huck Intl Inc
SLB146-3-5 Space-lok, Inc.
T009-3-5 Huck International, Inc.
03A174-3-5 Northrop Grumman Systems Corporation
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