Model: KN53-4

Hexagon Self-locking Nut

Special Features:

Keyway depth, 0.057 in.

Properties:

Thread Class
2b
Thread Direction
Right-hand
Nut Height
Between 0.434 inches and 0.464 inches
Width Across Flats
Between 0.488 inches and 0.500 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Bearing Surface Type
Flat
Material
Steel
Surface Treatment
Cadmium
NSN
5310-01-067-5868
Part Number
KN53-4
Description
Nut,self-locking,hexagon
CAGE
73197

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 KN53-4 NSN 5310-01-067-5868

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:
U
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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