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Machine Bolt NSN 5306-00-206-4931

Item Description

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

NSN 5306-00-206-4931 NSN: 5306-00-206-4931

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.406 inches
Fastener Length
Between 0.453 inches and 0.500 inches
Head Style
Hexagon
Head Height
Between 0.140 inches and 0.172 inches
Width Between Flats
Between 0.428 inches and 0.440 inches
Thread Diameter
0.250 inches
Grip Length
Between 0.046 inches and 0.078 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
125000 pounds per square inch
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Material
Steel comp 8735 or steel comp 8740
Material Specification
Mil-s-6098 military specification 1st material response or mil-s-6049 military specification 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification single treatment response
Thread Series Designator
Unf
Specification Data
81349-mil-b-6812 government specification and 88044-an4-3a/canceled government standard
Nondefinitive Specification/std Data
Hex type and 1/4 unf size and 1/2 in. Length
FSC
5306 Bolts
NIIN
002064931
NSN
5306002064931

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-B-6812
Cage Code:
81349
Status:
A
MSDS:
Part Number:
8175043
Cage Code:
18876
Status:
A
MSDS:
Part Number:
AN4-3A
Cage Code:
88044
Status:
A
MSDS:
Part Number:
5306002064931
Cage Code:
SCY13
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 5306-00-206-4931
What are the manufacturers of nsn 5306002064931?
Does this nsn 5306002064931 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306002064931
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.
Does nsn 5306002064931 contain any precious metals?
Precious metal content is unknown.
Does nsn 5306002064931 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306002064931?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
App. Key:
BR
Cond. Code:
1
Status:
A

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