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Close Tolerance Bolt NSN 5306-01-617-8861

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 5306-01-617-8861 NSN: 5306-01-617-8861

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.425 inches
Fastener Length
1.613 inches
Head Style
Hexagon
Head Height
Between 0.125 inches and 0.140 inches
Width Between Flats
Between 0.429 inches and 0.439 inches
Grip Diameter
Between 0.2490 inches and 0.2495 inches
Thread Diameter
0.2500 inches
Grip Length
1.188 inches
Thready Qty Per Inch (tpi)
28
Special Features
Item has drilled head 0.046 diameter
Material
Iron alloy 660
Thread Series Designator
Unjf
FSC
5306 Bolts
NIIN
016178861
NSN
5306016178861

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS6704HU19
Cage Code:
80205
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 5306-01-617-8861
What are the manufacturers of nsn 5306016178861?
Does this nsn 5306016178861 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306016178861
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 5306016178861 contain any precious metals?
No precious metal content.
Does nsn 5306016178861 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306016178861?
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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