Model: 21FA-1224

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Nut Height

0.290 inches

Width Across Flats

Between 0.430 inches and 0.439 inches

Thread Series

Unjc

Thready Qty Per Inch (tpi)

Thread Size

0.216 inches

Material

Steel

Surface Treatment

Cadmium

NSN

5310-01-332-4404

Part Number

21FA-1224

Description

Nut,self-locking,hexagon

CAGE

56878

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 21FA-1224 NSN 5310-01-332-4404

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