Model: 6257

Setscrew

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
1.000 inches
Head Style
Square
Head Height
0.281 inches
Width Between Flats
0.375 inches
Point Style
Oval
Thread Diameter
0.375 inches
Features Provided
Casehardened
Thready Qty Per Inch (tpi)
16
Hardness Rating
30.0 rockwell c and 37.0 rockwell c
Material
Steel comp 1010 or steel comp 1020
Material Specification
66 federal standard all material responses
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 3 style
NSN
5305-00-010-2456
Part Number
6257
Description
Setscrew
CAGE
34623

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 6257 NSN 5305-00-010-2456

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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