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Close Tolerance Bolt NSN 5306-01-378-4320

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 5306-01-378-4320 NSN: 5306-01-378-4320

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.439 inches
Fastener Length
Between 7.424 inches and 7.454 inches
Head Style
Double hexagon extended washer
Head Height
0.806 inches
Width Between Flats
Between 0.928 inches and 0.940 inches
Extended Washer Diameter
Between 1.415 inches and 1.425 inches
Extended Washer Thickness
0.152 inches
Grip Diameter
Between 0.748 inches and 0.749 inches
End Application
F-111 all
Thread Diameter
0.750 inches
Grip Length
6.000 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
260000 pounds per square inch
Hardness Rating
51.0 rockwell c fastener and 54.0 rockwell c fastener
Material
Steel comp h11
Material Specification
Ams6485 assn standard 1st material response or ams 6487 assn standard 2nd material response
Surface Treatment
Cadmium or nickel
Surface Treatment Specification
Mil-c-8837, type ii, class 3, type ii, class 2 military specification single treatment response or ams 2416 assn standard single treatment response
Thread Series Designator
Unjf
FSC
5306 Bolts
NIIN
013784320
NSN
5306013784320

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9372359
Cage Code:
98747
Status:
A
MSDS:
Part Number:
VS2005-12
Cage Code:
06950
Status:
A
MSDS:
Part Number:
AIC260E-12
Cage Code:
06725
Status:
A
MSDS:
Part Number:
PBF26T12
Cage Code:
27624
Status:
A
MSDS:
Part Number:
EWB26-12
Cage Code:
56878
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 5306-01-378-4320
What are the manufacturers of nsn 5306013784320?
Does this nsn 5306013784320 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306013784320
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 5306013784320 contain any precious metals?
No precious metal content.
Does nsn 5306013784320 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306013784320?
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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