Model: 493D2

Externally Relieved Body Bolt

Properties:

Thread Direction
Right-hand
Thread Length
0.510 inches
Fastener Length
0.920 inches
Head Style
Hexagon extended washer
Head Height
0.440 inches
Width Between Flats
0.500 inches
Extended Washer Diameter
Between 0.708 inches and 0.712 inches
Extended Washer Thickness
0.133 inches
Hole Diameter
0.062 inches
First Diameter From Head
Between 0.338 inches and 0.342 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.410 inches
Thread Diameter
0.438 inches
Hole Quantity
6
Hole Type
Drilled
Nonstandard Thread Pitch Diameter
+0.4024/+0.4045 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Hole Configuration Style
Round longitudinal hole
Externally Relieved Body Diameter Quantity
1
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Thread Series Designator
Unf
NSN
5306-00-626-3843
Part Number
493D2
Description
Bolt,externally Relieved Body
CAGE
06710

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 493D2 NSN 5306-00-626-3843

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06675
FIIG:
A003B0
Concept No.:
App. Key:
BF
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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
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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