NSN 5305-01-521-4850
High Torque Screw
Thread end to be identified w/black dye or paint.
Manufacturer part number BACB30NN3K18 for national stock number 5305015214850.
Datasheet
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Product description
Close Tolerance Screw NSN 5305-01-521-4850.
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MPN or Model
BACB30NN3K18
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Schedule B
8109.90.0000 (Zirconium and articles thereof nesoi) -
NMF (National Motor Freight)
096640 - Screws, Iron Or Steel -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
0.345 inches -
Fastener Length
1.387 inches -
Head Style
Flat countersunk -
Head Diameter
Between 0.345 inches and 0.383 inches -
Grip Diameter
0.1895 inches -
Internal Drive Style
Cross recess type 1 -
End Application
Aircraft, b757 -
Thread Diameter
0.190 inches -
Grip Length
1.125 inches -
Thready Qty Per Inch (tpi)
32 -
Countersink Angle
Between 99.0 degrees and 101.0 degrees -
Material
Titanium alloy -
Surface Treatment
Aluminum -
Thread Series Designator
Unjf
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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.
Pricing and Availability
Get a quote for 5305-01-521-4850 close tolerance screwManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
BACB30NN3K18 | The Boeing Company |
BACB30NN3K18 | Boeing Defence Australia Ltd |
BACB30NN3K18 | Boeing Defence Australia Ltd |