NSN 5306-01-198-8549
Close Tolerance Hex Head Bolt
Between 3.449 inches and 3.479 inches fastener length, double hexagon head style, between 0.340 inches and 0.360 inches head height, width between flats: between 0.928 inches and 0.940 inches .
Manufacturer part number LD111-0026-1043 for national stock number 5306011988549.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-198-8549.
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MPN or Model
LD111-0026-1043
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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) -
Thread Class
3a -
Thread Direction
Right-hand -
Thread Length
Between 0.752 inches and 0.802 inches -
Fastener Length
Between 3.449 inches and 3.479 inches -
Head Style
Double hexagon -
Head Height
Between 0.340 inches and 0.360 inches -
Width Between Flats
Between 0.928 inches and 0.940 inches -
Grip Diameter
Between 0.6235 inches and 0.6240 inches -
Thread Diameter
0.625 inches -
Grip Length
Between 2.677 inches and 2.697 inches -
Thready Qty Per Inch (tpi)
18 -
Hardness Rating
46.0 rockwell c and 50.0 rockwell c -
Part Name Assigned By Controlling Agency
Navy special project -
Material
Steel comp xm-13 -
Material Specification
Ams 5629 assn standard single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 federal specification single treatment response -
Thread Series Designator
Unjf
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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 5306-01-198-8549 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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LD111-0026-1043 | Boeing Company, The |
LD111-0026-1043 | Boeing Company, The |
Stock Check
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