Model: 21AX784

Hexagon Self-locking Nut

Special Features:

Proof load 17, 429

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all nonmetallic design

Nut Style

Hexagon

Nut Height

Between 0.427 inches and 0.448 inches

Width Across Flats

Between 0.736 inches and 0.750 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Bearing Surface Type

Washer faced

Part Name Assigned By Controlling Agency

Locknuts, hex-nylon patch type

Material

Plastic nylon locking insert

Material

Steel nut

Surface Treatment

Zinc nut and chromate nut

NSN

5310-01-551-8282

Part Number

21AX784

Description

Nut,self-locking,hexagon

CAGE

89619

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 21AX784 NSN 5310-01-551-8282

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