Model: MS21056L8

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Nut Style
Plate
Nut Length
1.234 inches
Nut Height
0.609 inches
Plate Thickness
0.115 inches
End Application
Used on f-22 aircraft
Drilled Hole Diameter
Between 0.161 inches and 0.166 inches
Hole Type And Quantity
2 drilled
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Hardness Rating
49.0 rockwell c
Thread Size
0.500 inches
Material
Iron alloy 660
Material Specification
Ams5525 assn standard single material response or ams5732 assn standard single material response or ams5737 assn standard single material response
NSN
5310-01-499-3278
Part Number
MS21056L8
Description
Nut,self-locking,plate
CAGE
80205

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part MS21056L8 NSN 5310-01-499-3278

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05280
FIIG:
A021A0
Concept No.:
1
App. Key:
BZ
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:
A
ESD:
A
MMAC:
FR
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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