Model: RB20-31

Machine Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.687 inches
Fastener Length
1.000 inches
Head Style
Hexagon
Head Height
0.312 inches
Width Between Flats
0.562 inches
Thread Diameter
0.375 inches
Hole Quantity
1
Hole Type
Drilled
Features Provided
Unfinished head
Thready Qty Per Inch (tpi)
24
Material
Steel comp 1213
Material Specification
Aisi-b1113, 1213 assn standard single material response
Thread Series Designator
Unf
NSN
5306-00-275-1591
Part Number
RB20-31
Description
Bolt,machine
CAGE
77107

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 RB20-31 NSN 5306-00-275-1591

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
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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