Model: BK5131-6-3

Setscrew

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.138 inches
Fastener Length
0.138 inches
Head Style
Headless (setscrew)
Point Style
Cup
Internal Drive Style
Hexagon
Thread Diameter
0.138 inches
Width Across Flats
0.062 inches
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
32
Hardness Rating
45.0 rockwell c and 53.0 rockwell c
Material
Steel comp 4037 or steel comp 4137 or steel comp 8740 or steel comp 8630
Material Specification
Qq-s-624 federal specification 1st material response or qq-s-624 federal specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-6050 military specification 4th material response
Surface Treatment
Cadmium
Thread Series Designator
Unc
NSN
5305-00-141-4394
Part Number
BK5131-6-3
Description
Setscrew
CAGE
82199

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 BK5131-6-3 NSN 5305-00-141-4394

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:
50.0
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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