NSN 5306-01-444-6500
Close Tolerance Hex Head Bolt
Between 3.942 inches and 3.989 inches fastener length, hexagon head style, between 0.203 inches and 0.235 inches head height, width between flats: between 0.553 inches and 0.565 inches .
Manufacturer part number AN176CH37A for national stock number 5306014446500.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-444-6500.
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MPN or Model
AN176CH37A
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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
0.646 inches -
Fastener Length
Between 3.942 inches and 3.989 inches -
Head Style
Hexagon -
Head Height
Between 0.203 inches and 0.235 inches -
Width Between Flats
Between 0.553 inches and 0.565 inches -
Grip Diameter
Between 0.3737 inches and 0.3742 inches -
Thread Diameter
0.375 inches -
Grip Length
Between 3.297 inches and 3.329 inches -
Thready Qty Per Inch (tpi)
24 -
Material
Steel comp 431 -
Material Specification
Mil-s-18732 military specification single material response -
Surface Treatment
Passivate -
Surface Treatment Specification
Qq-p-35 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.
![Mechanic Bill explains Close Tolerance Hex Head Bolt](/public/images/billy-thinking.png)
Pricing and Availability
Get a quote for 5306-01-444-6500 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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AN176CH37A | Aeronautical Standards Group |
Stock Check
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