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NSN 5305-01-365-0401

High Torque Screw

About this product

Between 1.124 inches and 1.154 inches fastener length, pan head style, between 0.473 inches and 0.492 inches head diameter, head height: between 0.162 inches and 0.175 inches .

Manufacturer part number BACB30LK4-12 for national stock number 5305013650401.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-365-0401.

  • MPN or Model

    BACB30LK4-12

  • 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)
  • Unit Weight (Est.)
    1 lb
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.389 inches
  • Fastener Length
    Between 1.124 inches and 1.154 inches
  • Head Style
    Pan
  • Head Diameter
    Between 0.473 inches and 0.492 inches
  • Head Height
    Between 0.162 inches and 0.175 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Cross recess type 1
  • Thread Diameter
    0.250 inches
  • Grip Length
    Between 0.740 inches and 0.760 inches
  • Thready Qty Per Inch (tpi)
    28
  • Min. Tensile Strength (psi)
    95000 pounds per square inch
  • Surface Finish
    32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
  • Material
    Iron alloy 660
  • Material Specification
    Ams 5737 assn standard single material response
  • Surface Treatment
    Cadmium and chromate
  • Surface Treatment Specification
    Qq-p-416 type 2 cl 2 federal specification all treatment responses
  • 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 5305013650401

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACB30LK4-12 Arconic Global Fasteners & Rings,
BACB30LK4-12 Deutsch Co The
BACB30LK4-12 Federal Manufacturing Corporation
BACB30LK4-12 Valley-todeco, Inc.
BACB30LK4-12 Sps Technologies, Llc
BACB30LK4-12 Sps Technologies, Llc
BACB30LK4-12 Sps Technologies, Llc
BACB30LK4-12 The Boeing Company
BACB30LK4-12 Alcoa Global Fasteners, Inc.
Stock Check
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