Model: KFN541L6F

Hexagon Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.408 inches nut and 0.413 inches nut
Lubrication
Dry film lubricant
Nut Style
Hexagon
Nut Height
0.405 inches
Nut Counterbore Depth
0.117 inches nut and 0.127 inches nut
Width Across Flats
Between 0.430 inches and 0.439 inches
Tempurature Rating
450.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
24
Hardness Rating
Between 39.0 rockwell c and 43.0 rockwell c
Thread Size
0.3750 inches
Bearing Surface Type
Chamfered
Material
Steel
Surface Treatment
Cadmium and disulfide molybdenum
Surface Treatment Specification
Qq-p-416 type ii class 3 federal specification 1st treatment response
NSN
5310-01-540-3984
Part Number
KFN541L6F
Description
Nut,self-locking,hexagon
CAGE
15653

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part KFN541L6F NSN 5310-01-540-3984

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05277
FIIG:
A021A0
Concept No.:
1
App. Key:
BK
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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