NSN 5306-01-242-1785
Close Tolerance Hex Head Bolt
Retaining element on shank.
Manufacturer part number MS27576C4-15 for national stock number 5306012421785.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-01-242-1785.
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MPN or Model
MS27576C4-15
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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 0.282 inches and 0.333 inches -
Fastener Length
Between 1.356 inches and 1.376 inches -
Head Style
Dished hexagon -
Head Height
Between 0.126 inches and 0.141 inches -
Width Between Flats
Between 0.430 inches and 0.439 inches -
Grip Diameter
Between 0.2483 inches and 0.2492 inches -
Thread Diameter
0.250 inches -
Grip Length
Between 0.938 inches and 0.954 inches -
Thready Qty Per Inch (tpi)
28 -
Min. Tensile Strength (psi)
95000 pounds per square inch -
Hardness Rating
36.0 rockwell c and 41.0 rockwell c -
Surface Finish
63.0 microinches grip -
Material
Steel comp 630 -
Material Specification
Ams 5643 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 5306-01-242-1785 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
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MS27576C4-15 | Military Standards |
Stock Check
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