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NSN 5305-01-546-4127

High Torque Screw

About this product

2.026 inches fastener length, 0.155 inches spline major diameter, between 0.1885 inches and 0.1895 inches grip diameter, point style: flat.

Manufacturer part number 120-276C3T28P for national stock number 5305015464127.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-546-4127.

  • MPN or Model

    120-276C3T28P

  • 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 Length
    0.276 inches
  • Fastener Length
    2.026 inches
  • Spline Major Diameter
    0.155 inches
  • Grip Diameter
    Between 0.1885 inches and 0.1895 inches
  • Point Style
    Flat
  • Internal Drive Style
    Torx
  • End Application
    V-22 aircraft
  • Thread Diameter
    0.190 inches
  • Grip Length
    1.750 inches
  • Thready Qty Per Inch (tpi)
    32
  • Surface Finish
    32.0 microinches grip
  • Material
    Stainless steel
  • Material Specification
    Ams5731 assn standard single material response and ams5732 assn standard single material response and ams5737 assn standard single material response or ams5853 assn standard single material response
  • Special Test Features
    Heat treat 160-190 ksi ftu precip harden per ams 5853
  • Thread Series Designator
    Unjc
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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 5305015464127

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
120-276C3T28P Bell Helicopter Textron Inc.
120-276C3T28P Sps Technologies, Llc
120-276C3T28P Saturn Fasteners Inc
120-276C3T28P Heartland Precision Fasteners, Inc.
120-276C3T28P B & B Specialties Inc.
120-276C3T28P 3-v Fastener Co., Inc.
120-276C3T28P Pilgrim Screw Corporation
120-276C3T28P Sps Technologies, Llc
120-276C3T28P Sps Technologies, Llc
120-276C3T28P B & B Specialties, Inc
120-276C3T28P Lfc Industries Inc.
120-276C3T28P Sps Technologies, Llc
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