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NSN 5305-01-604-4653

High Torque Screw

About this product

1.278 inches fastener length, pan no. 2 head style, between 0.477 inches and 0.492 inches head diameter, head height: between 0.140 inches and 0.150 inches .

Manufacturer part number BACS12HU4A14 for national stock number 5305016044653.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-604-4653.

  • MPN or Model

    BACS12HU4A14

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    096640 - Screws, Iron Or Steel
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    0.403 inches
  • Fastener Length
    1.278 inches
  • Head Style
    Pan no. 2
  • Head Diameter
    Between 0.477 inches and 0.492 inches
  • Head Height
    Between 0.140 inches and 0.150 inches
  • Spline Minor Diameter
    0.221 inches
  • Spline Major Diameter
    0.221 inches
  • Grip Diameter
    Between 0.2485 inches and 0.2495 inches
  • Internal Drive Style
    Torx
  • Thread Diameter
    0.2500 inches
  • Grip Length
    0.875 inches
  • Thready Qty Per Inch (tpi)
    28
  • Part Name Assigned By Controlling Agency
    Screw, flat pan head
  • Material
    Stainless steel
  • Surface Treatment
    Cadmium
  • 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 5305016044653

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACS12HU4A14 The Boeing Company
BACS12HU4A14 Sps Technologies, Llc
BACS12HU4A14 Heartland Precision Fasteners, Inc.
BACS12HU4A14 Pilgrim Screw Corporation
BACS12HU4A14 The Boeing Company
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