Model: NAS1790-4R22

Machine Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.425 inches
Fastener Length
1.925 inches
Head Style
Flat countersunk
Head Diameter
Between 0.464 inches and 0.506 inches
Grip Diameter
0.189 inches
Thread Diameter
0.250 inches
Grip Length
1.500 inches
Thready Qty Per Inch (tpi)
32.0
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Part Name Assigned By Controlling Agency
Bolt, 100 degree flush head 160, 000 psi uts
Material
Steel comp 4140 or steel comp 4340 or steel comp 8740
Thread Series Designator
Unjf
NSN
5306-01-588-9208
Part Number
NAS1790-4R22
Description
Bolt,machine
CAGE
80205

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 NAS1790-4R22 NSN 5306-01-588-9208

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:
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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