Model: 520475

Setscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.450 inches and 0.480 inches
Fastener Length
Between 0.450 inches and 0.480 inches
Head Style
Headless (setscrew)
Point Length
Between 0.090 inches and 0.110 inches
Point Style
Oval
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.125 inches and 0.127 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
45.0 rockwell c and 50.0 rockwell c
Material
Stainless steel
Material Specification
Ams5616 assn standard single material response
Thread Series Designator
Unf
NSN
5305-00-942-8713
Part Number
520475
Description
Setscrew
CAGE
77445

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

Part 520475 NSN 5305-00-942-8713

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06672
FIIG:
A003B0
Concept No.:
App. Key:
SQ
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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