Model: MS21056L08K

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.168 inches nut
Lubrication
Dry film lubricant
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Plate
Nut Length
0.637 inches
Nut Height
0.250 inches
Plate Thickness
0.047 inches
Nut Counterbore Depth
0.062 inches nut
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.339 inches and 0.349 inches
End Application
C130j hercules
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjc
Thready Qty Per Inch (tpi)
32
Hardness Rating
49.0 rockwell c
Thread Size
0.164 inches
Material
Iron alloy 660
Material Specification
Ams 5525 assn standard single material response
Surface Treatment
Passivate
NSN
5310-01-520-7271
Part Number
MS21056L08K
Description
Nut,self-locking,plate
CAGE
96906

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 MS21056L08K NSN 5310-01-520-7271

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:
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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