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Close Tolerance Bolt NSN 5306-00-206-6546

Item Description

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.

NSN 5306-00-206-6546 NSN: 5306-00-206-6546

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.640 inches
Fastener Length
3.078 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
Hole Diameter
0.106 inches
Grip Diameter
Between 0.3737 inches and 0.3742 inches
Shank Unthreaded Hole Diameter
0.106 inches first hole
Thread Diameter
0.375 inches
Grip Length
2.438 inches
Hole Quantity
1
Hole Type
Drilled
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Hole Configuration Style
Double hexagon flats
Distance From Head Largest Bearing Surface To Shank Hole Center
0.438 inches first hole
Surface Finish
63.0 microinches grip
Material
Steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification all treatment responses
Thread Series Designator
Unf
FSC
5306 Bolts
NIIN
002066546
NSN
5306002066546

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AN176H30
Cage Code:
88044
Status:
A
MSDS:
Part Number:
176H30
Cage Code:
80059
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318152000
  • NAICS: 332722
  • SITC: 69421
  • Description: Bolts and bolts and their nuts or washers exported in the same shipment
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5306-00-206-6546
What are the manufacturers of nsn 5306002066546?
Does this nsn 5306002066546 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306002066546
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.
Does nsn 5306002066546 contain any precious metals?
Precious metal content is unknown.
Does nsn 5306002066546 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306002066546?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27851
FIIG:
A003B0
App. Key:
BC
Cond. Code:
1
Status:
A

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