NSN 5306-01-184-3778
Close Tolerance Hex Head Bolt
Between 7.953 inches and 8.000 inches fastener length, hexagon head style, between 0.265 inches and 0.297 inches head height, width between flats: between 0.740 inches and 0.752 inches .
Manufacturer part number AN178-77 for national stock number 5306011843778.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-184-3778.
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MPN or Model
AN178-77
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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 0.728 inches and 0.749 inches -
Fastener Length
Between 7.953 inches and 8.000 inches -
Head Style
Hexagon -
Head Height
Between 0.265 inches and 0.297 inches -
Width Between Flats
Between 0.740 inches and 0.752 inches -
Grip Diameter
Between 0.4986 inches and 0.4991 inches -
Thread Diameter
0.500 inches -
Grip Length
Between 7.172 inches and 7.204 inches -
Thready Qty Per Inch (tpi)
20 -
Min. Tensile Strength (psi)
125000 pounds per square inch -
Hardness Rating
26.0 rockwell c and 32.0 rockwell c -
Surface Finish
63.0 microinches grip -
Material
Steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4037 or steel comp 4140 or steel comp 4130 -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416 ty2 cl3 federal specification single treatment 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.
Pricing and Availability
Get a quote for 5306-01-184-3778 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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AN178-77 | Aeronautical Standards Group |