Model: 3186747

Internal Wrenching Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.625 inches
Fastener Length
3.375 inches
Head Diameter
Between 0.735 inches and 0.750 inches
Head Height
Between 0.492 inches and 0.500 inches
Hole Diameter
Between 0.061 inches and 0.067 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
Between 0.375 inches and 0.379 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
44600 pounds per square inch
Hole Configuration Style
Round internal hexagon
Material
Steel
Material Specification
Ams6485 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Mil-c-8837, type 2, class 2 military specification single treatment response
Thread Series Designator
Unjf
NSN
5306-01-044-0731
Part Number
3186747
Description
Bolt,internal Wrenching
CAGE

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 3186747 NSN 5306-01-044-0731

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
574
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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