Model: 212783

Externally Relieved Body Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.677 inches and 0.757 inches
Fastener Length
Between 1.365 inches and 1.385 inches
Head Style
Double hexagon extended washer
Head Height
Between 0.334 inches and 0.354 inches
Width Between Flats
Between 0.362 inches and 0.377 inches
Extended Washer Diameter
Between 0.490 inches and 0.510 inches
Extended Washer Thickness
Between 0.070 inches and 0.090 inches
Hole Diameter
0.062 inches
First Diameter From Head
Between 0.267 inches and 0.272 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.628 inches and 0.688 inches
Thread Diameter
0.312 inches
Hole Quantity
1
Hole Type
Drilled
Thready Qty Per Inch (tpi)
18
Hardness Rating
26.0 rockwell c and 32.0 rockwell c
Hole Configuration Style
Double hexagon flats
Externally Relieved Body Diameter Quantity
1
Material
Steel comp 8740
Surface Treatment
Cadmium
Thread Series Designator
Unc
NSN
5306-00-207-6740
Part Number
212783
Description
Bolt,externally Relieved Body
CAGE
92215

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 212783 NSN 5306-00-207-6740

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:
CRITL:
X

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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