Model: 726086-3

Internal Wrenching Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.680 inches and 0.720 inches
Fastener Length
Between 2.030 inches and 2.050 inches
Head Diameter
0.813 inches
Head Height
0.460 inches
Hole Diameter
0.078 inches
First Diameter From Head
Between 0.425 inches and 0.430 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 1.330 inches and 1.350 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.503 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
40.0 rockwell c and 43.0 rockwell c
Hole Configuration Style
Round internal hexagon
Material
Steel comp e4340 or steel comp 4340
Thread Series Designator
Unf
NSN
5306-00-208-1246
Part Number
726086-3
Description
Bolt,internal Wrenching
CAGE
98897

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 726086-3 NSN 5306-00-208-1246

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06666
FIIG:
A003B0
Concept No.:
App. Key:
BM
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:
O
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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