Model: E11520-5

Extended Washer Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Washer Outside Diameter
0.520 inches
Overall Height
0.266 inches
Nut Style
Hexagon
Washer Thickness
0.040 inches
Width Across Flats
Between 0.367 inches and 0.378 inches
Tempurature Rating
850.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Hardness Rating
Between 32.0 rockwell c and 48.0 rockwell c
Thread Size
0.312 inches
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard 1st material response or ams 5732 assn standard 2nd material response
NSN
5310-01-486-1024
Part Number
E11520-5
Description
Nut,self-locking,extended Washer
CAGE

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part E11520-5 NSN 5310-01-486-1024

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29730
FIIG:
A021A0
Concept No.:
1
App. Key:
BT
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:
RF
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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