NSN 5306-00-871-8772
Close Tolerance Hex Head Bolt
Extended dia on threaded end 0.368 in.Min and 0.370 in.Max,0.150 in.Lg,dia shall have 2 flats 0.130 in..
Manufacturer part number 74855 for national stock number 5306008718772.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-00-871-8772.
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MPN or Model
74855
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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
0.410 inches -
Fastener Length
0.870 inches -
Head Style
Dee -
Head Diameter
0.750 inches -
Head Height
Between 0.150 inches and 0.165 inches -
Distance From Centerline To Flat
0.240 inches -
Grip Diameter
Between 0.3745 inches and 0.3750 inches -
Thread Diameter
0.375 inches -
Grip Length
0.310 inches -
Thready Qty Per Inch (tpi)
24 -
Hardness Rating
28.0 rockwell c and 32.0 rockwell c -
Material
Steel comp 8735 or steel comp 8740 or steel comp 4340 -
Material Specification
Ams 6320 assn standard 1st material response or ams 6322 assn standard 2nd material response or ams 6415 assn standard 3rd 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.
Pricing and Availability
Get a quote for 5306-00-871-8772 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
74855 | Textron Lycoming Inc |
74855 | Satair A/s |