NSN 5306-00-408-6858
Close Tolerance Hex Head Bolt
W/retaining element on shank.
Manufacturer part number CIPRD-MS27576-4-21R for national stock number 5306004086858.
Datasheet
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Product description
Close Tolerance Bolt NSN 5306-00-408-6858.
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MPN or Model
CIPRD-MS27576-4-21R
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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 0.283 inches and 0.334 inches -
Fastener Length
Between 1.731 inches and 1.751 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 -
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole -
Thread Diameter
0.250 inches -
Grip Length
Between 1.312 inches and 1.328 inches -
Thready Qty Per Inch (tpi)
28 -
Hardness Rating
36.0 rockwell c and 41.0 rockwell c -
Distance From Head Largest Bearing Surface To Shank Hole Center
1.631 inches first hole and 1.661 inches first hole -
Surface Finish
63.0 microinches grip -
Material
Steel -
Material Specification
Mil-b-83050 military specification single material response -
Surface Treatment
Cadmium and chromate -
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification all treatment responses -
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 5306-00-408-6858 close tolerance boltManufacturer Part Numbers and Alternates
MPN manufacturer part number | Registrant or Supplier |
---|---|
CIPRD-MS27576-4-21R | Defense Logistics Agency |
MS27576-4-21 | Military Standards |
CA4510-4-21 | Arconic Global Fasteners & Rings, |
AS194-4-21 | Avibank Mfg., Inc. |
106467-4-21 | Sps Technologies, Llc |
MS27576-4-21 | National Aerospace Standards |
Stock Check
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