Model: 66743

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.250 inches
Fastener Length
0.250 inches
Head Style
Headless (setscrew)
Spline Minor Diameter
0.055 inches
Spline Major Diameter
0.078 inches
Spline Width
0.025 inches
Locking Feature
Patch threads or strip threads
Point Style
Cup
Internal Drive Style
Four spline
Thread Diameter
0.138 inches
Thready Qty Per Inch (tpi)
32
Material
Steel comp 1213
Surface Treatment
Cadmium
Thread Series Designator
Unc
NSN
5305-00-920-4106
Part Number
66743
Description
Setscrew
CAGE
10237

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 66743 NSN 5305-00-920-4106

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:
U
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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