Model: 85N831-3-4B

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Lubrication
Dry film lubricant
Mounting Hole Diameter
0.098 mils and 0.103 centimeters
Nut Style
Plate
Nut Length
0.739 inches
Nut Height
0.438 inches
Plate Thickness
0.025 inches
Plate Width
0.416 inches
Nut Counterbore Depth
0.125 inches first end
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.245 inches and 0.250 inches
Center To Center Distance Between Mounting Holes Along Length
Between 0.498 inches and 0.502 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
32
Thread Size
0.1900 inches
Material
Steel
Material Specification
Mil-n-25027 military specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416 ty ii cl 2 federal specification single treatment response
NSN
5310-01-177-0536
Part Number
85N831-3-4B
Description
Nut,self-locking,plate
CAGE
0JRC1

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 85N831-3-4B NSN 5310-01-177-0536

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:
ESD:
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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