Model: 51266R

Eccentric Head Bolt

Properties:

Thread Direction
Right-hand
Fastener Length
1.344 inches
Head Style
Flat chamfer
Head Diameter
Between 0.687 inches and 0.692 inches
Head Height
0.218 inches
Distance From Center Of Head To Center Of Shank
0.062 inches
Shank Unthreaded Hole Diameter
0.141 inches first hole
Internal Drive Style
W/o internal drive
Thread Diameter
0.500 inches
Nonstandard Thread Pitch Diameter
+0.4649/+0.4675 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
135000 pounds per square inch
Hardness Rating
269.0 brinell standard and 293.0 brinell standard
Distance From Head Largest Bearing Surface To Shank Hole Center
1.219 inches first hole
Material
Steel comp 3140
Material Specification
Sae assn standard single material response
Thread Series Designator
Unf
NSN
5306-00-354-1821
Part Number
51266R
Description
Bolt,eccentric Head
CAGE
56442

An externally threaded fastener the head of which is usually flat with a periphery not concentric to the bolt shank. The head is not designed for wrenching. It may have a drive feature located at the threaded end, which can be used to rotate the screw and eccentric head into a locking position to secure a flanged or groove component.

Part 51266R NSN 5306-00-354-1821

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21861
FIIG:
A003B0
Concept No.:
App. Key:
BE
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:
0.1000lbs
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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