NSN 5306-01-183-5857
Close Tolerance Hex Head Bolt
Between 0.579 inches and 0.609 inches fastener length, hexagon head style, between 0.140 inches and 0.172 inches head height, width between flats: between 0.428 inches and 0.440 inches .
Manufacturer part number BACB30BG4C2A for national stock number 5306011835857.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-183-5857.
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MPN or Model
BACB30BG4C2A
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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.)
0.1 lb -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.444 inches and 0.494 inches -
Fastener Length
Between 0.579 inches and 0.609 inches -
Head Style
Hexagon -
Head Height
Between 0.140 inches and 0.172 inches -
Width Between Flats
Between 0.428 inches and 0.440 inches -
Grip Diameter
Between 0.2487 inches and 0.2492 inches -
Thread Diameter
0.250 inches -
Grip Length
Between 0.115 inches and 0.135 inches -
Thready Qty Per Inch (tpi)
28 -
Surface Finish
32.0 microinches threads -
Material
Iron alloy 660 -
Material Specification
Ams 5732 assn standard single material response -
Thread Series Designator
Unf
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An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.
![Mechanic Bill explains Close Tolerance Hex Head Bolt](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5306-01-183-5857 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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BACB30BG4C2A | The Boeing Company |
Stock Check
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