Model: 138771

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.375 inches
Fastener Length
0.375 inches
Head Style
Headless (setscrew)
Point Style
Oval
Internal Drive Style
Hexagon
Thread Diameter
0.438 inches
Width Across Flats
Between 0.219 inches and 0.221 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
45.0 rockwell c and 53.0 rockwell c
Material
Steel comp 2340 or steel comp 3135 or steel comp 5120h or steel comp 4140 or steel comp 4147h or steel comp 8630 or steel comp 8740
Thread Series Designator
Unf
NSN
5305-00-591-3354
Part Number
138771
Description
Setscrew
CAGE
21450

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 138771 NSN 5305-00-591-3354

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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