Model: 189146

Internally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.343 inches and 0.360 inches
Fastener Length
Between 0.359 inches and 0.391 inches
Head Style
Hexagon
Head Height
0.109 inches
Width Between Flats
Between 0.684 inches and 0.691 inches
Hole Diameter
0.062 inches
Concentric Hole Depth
Between 0.296 inches and 0.312 inches
Concentric Hole Diameter
Between 0.171 inches and 0.174 inches
Thread Diameter
0.437 inches
Hole Quantity
2
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Hole Configuration Style
Hexagon corners
Material
Steel comp 303 or steel comp 303se or steel comp 303 plus x
Material Specification
Ams 5640 assn standard all material responses
Style Designator
Concentric hole unthreaded
Thread Series Designator
Unf
NSN
5306-00-637-6655
Part Number
189146
Description
Bolt,internally Relieved Body
CAGE
06848

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 189146 NSN 5306-00-637-6655

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06676
FIIG:
A003B0
Concept No.:
App. Key:
BN
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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