Model: KN53-4

Hexagon Self-locking Nut

Special Features:

Keyway depth, 0.057 in.

Properties:

Thread Class

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)

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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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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