Model: 491D46

Machine Bolt

Properties:

Thread Direction
Right-hand
Thread Length
Between 0.800 inches and 0.870 inches
Fastener Length
0.940 inches
Head Style
Hexagon extended washer
Head Height
0.240 inches
Width Between Flats
Between 0.430 inches and 0.439 inches
Extended Washer Diameter
Between 0.609 inches and 0.619 inches
Extended Washer Thickness
0.084 inches
Thread Diameter
0.250 inches
Grip Length
Between 0.070 inches and 0.140 inches
Features Provided
Finished head
Nonstandard Thread Pitch Diameter
+0.2238/+0.2313 inches
Nonstandard Thread Pitch Diameter
+0.2238 to 0.2313 inches
Thready Qty Per Inch (tpi)
28
Surface Finish
32.0 microinches grip
Material
Iron alloy 660
Material Specification
Ams 5731 assn standard single material response
Thread Series Designator
Uns
NSN
5306-00-142-4050
Part Number
491D46
Description
Bolt,machine
CAGE
0AHP5

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part 491D46 NSN 5306-00-142-4050

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
Concept No.:
App. Key:
BR
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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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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