Model: 4320553

Machine Bolt

Special Features:

Impedance type bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.120 inches
Fastener Length
2.195 inches
Head Style
Hexagon
Head Height
Between 0.128 inches and 0.141 inches
Width Between Flats
Between 0.430 inches and 0.439 inches
End Application
F119
Thread Diameter
0.250 inches
Grip Length
1.775 inches
Thready Qty Per Inch (tpi)
28
Material
Iron alloy 660
Thread Series Designator
Unjf
NSN
5306-01-486-7222
Part Number
4320553
Description
Bolt,machine
CAGE
77445

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.

Part 4320553 NSN 5306-01-486-7222

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
Concept No.:
App. Key:
BR
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
RF
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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