Model: 540903

Setscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.188 inches
Fastener Length
Between 0.178 inches and 0.188 inches
Head Style
Headless (setscrew)
Point Style
Flat
Internal Drive Style
Cross recess type 1
Thread Diameter
0.073 inches
Thready Qty Per Inch (tpi)
72
Material
Copper alloy 360
Material Specification
Qq-b-626, comp 22 federal specification single material response
Thread Series Designator
Unf
NSN
5305-00-285-1407
Part Number
540903
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 540903 NSN 5305-00-285-1407

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:
096630
UFC:
50590
LTL:
70.0
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415338550
  • SITC: 69433
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts

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