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Close Tolerance Bolt NSN 5306-01-442-8004

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 5306-01-442-8004 NSN: 5306-01-442-8004

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.838 inches
Fastener Length
2.353 inches
Head Style
Spline extended washer
Head Height
0.450 inches
Extended Washer Diameter
Between 0.922 inches and 0.932 inches
Extended Washer Thickness
Between 0.062 inches and 0.082 inches
Hole Diameter
Between 0.350 inches and 0.390 inches
Grip Diameter
Between 0.4785 inches and 0.4995 inches
Head Minor Diameter
Between 0.547 inches and 0.562 inches
Point Style
Flat
Thread Diameter
0.500 inches
Grip Length
1.500 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
37800 pounds per square inch
Hardness Rating
46.0 rockwell c and 50.0 rockwell c
Surface Finish
32.0 microinches
Material
Steel comp h11
Surface Treatment
Cadmium
Surface Treatment Specification
Mil-c-8837 type ii, class 2 military specification single treatment response
Thread Series Designator
Unjf
Specification Data
81755-c20535 manufacturers specification control
FSC
5306 Bolts
NIIN
014428004
NSN
5306014428004

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AIC1829-1-24
Cage Code:
06725
Status:
A
MSDS:
Part Number:
125570-1-24
Cage Code:
56878
Status:
A
MSDS:
Part Number:
VS3616-1-24
Cage Code:
92215
Status:
A
MSDS:
Part Number:
C20535-1-24
Cage Code:
81755
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 5306-01-442-8004
What are the manufacturers of nsn 5306014428004?
Does this nsn 5306014428004 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306014428004
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 5306014428004 contain any precious metals?
No precious metal content.
Does nsn 5306014428004 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306014428004?
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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