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NSN 5305-01-311-9389

High Torque Screw

About this product

Dry film lubricant per mil-l-46010.

Manufacturer part number BACB30MS6S8 for national stock number 5305013119389.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-311-9389.

  • MPN or Model

    BACB30MS6S8

  • Schedule B
    8109.90.0000 (Zirconium and articles thereof nesoi)
  • NMF (National Motor Freight)
    136500 - Metal NOI/metal Alloys NOI
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.553 inches and 0.603 inches
  • Fastener Length
    Between 1.063 inches and 1.093 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.708 inches and 0.765 inches
  • Grip Diameter
    Between 0.3735 inches and 0.3747 inches
  • Internal Drive Style
    High-torque
  • Thread Diameter
    0.375 inches
  • Grip Length
    Between 0.490 inches and 0.510 inches
  • Features Provided
    Dry film lubricant
  • Thready Qty Per Inch (tpi)
    24
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Surface Finish
    63.0 microinches bearing surface of head
  • Part Name Assigned By Controlling Agency
    Navy special project
  • Color
    Red threads
  • Material
    Titanium alloy uns r56400
  • Material Specification
    Ams 4928 assn standard single material response or ams 4967 assn standard single material response
  • Surface Treatment
    Phosphate
  • 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 5305013119389

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACB30MS6S8 Huck International, Inc.
BACB30MS6S8 Sps Technologies, Llc
BACB30MS6S8 Sps Technologies, Llc
BACB30MS6S8 Sps Technologies, Llc
BACB30MS6S8 The Boeing Company
BACB30MS6S8 Alcoa Global Fasteners, Inc.
BACB30MS6S8 Huck Intl Inc
BACB30MS6S8 Sps Technologies, Llc
BACB30MS6S8 Sps Technologies, Llc
BACB30MS6S8 Sps Technologies, Llc
BACB30MS6S8 The Boeing Company
BACB30MS6S8 Alcoa Global Fasteners, Inc.
BACB30MS6S8 Huck Intl Inc
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