1-321-802-5889

NSN 5305-01-231-8937

High Torque Screw

About this product

Faa certified.

Manufacturer part number BACB30LU04-3 for national stock number 5305012318937.

Datasheet

  • Product description

    Close Tolerance Screw NSN 5305-01-231-8937.

  • MPN or Model

    BACB30LU04-3

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • Thread Class
    3a
  • Thread Direction
    Right-hand
  • Thread Length
    Between 0.248 inches and 0.278 inches
  • Fastener Length
    Between 0.424 inches and 0.474 inches
  • Head Style
    Flat countersunk
  • Head Diameter
    Between 0.190 inches and 0.225 inches
  • Grip Diameter
    Between 0.1105 inches and 0.1115 inches
  • Internal Drive Style
    Cross recess type 1
  • End Application
    Kc-46 tanker
  • Thread Diameter
    0.112 inches
  • Grip Length
    Between 0.176 inches and 0.196 inches
  • Thready Qty Per Inch (tpi)
    40
  • Countersink Angle
    Between 99.0 degrees and 101.0 degrees
  • Material
    Steel comp 4340 or steel comp 8740
  • Material Specification
    Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams 6322 assn standard 2nd material response
  • Surface Treatment
    Cadmium
  • Surface Treatment Specification
    Qq-p-416, type 2, cl 2 federal specification single treatment response
  • Thread Series Designator
    Unjf
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 5305012318937

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
BACB30LU04-3 Federal Manufacturing Corporation
BACB30LU04-3 Valley-todeco, Inc.
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Arconic Global Fasteners & Rings,
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Sonic Industries Inc.
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 The Boeing Company
BACB30LU04-3 Alcoa Global Fasteners, Inc.
BACB30LU04-3 Huck International, Inc.
BACB30LU04-3 Huck Intl Inc
BACB30LU04-3 Valley-todeco, Inc.
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Arconic Global Fasteners & Rings,
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Federal Manufacturing Corporation
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Sonic Industries Inc.
BACB30LU04-3 Alcoa Global Fasteners, Inc.
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 The Boeing Company
BACB30LU04-3 Huck International, Inc.
BACB30LU04-3 Huck Intl Inc
BACB30LU04-3 Valley-todeco, Inc.
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Arconic Global Fasteners & Rings,
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Federal Manufacturing Corporation
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 Sonic Industries Inc.
BACB30LU04-3 Alcoa Global Fasteners, Inc.
BACB30LU04-3 Sps Technologies, Llc
BACB30LU04-3 The Boeing Company
BACB30LU04-3 Huck International, Inc.
BACB30LU04-3 Huck Intl Inc
Stock Check
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