Model: 02318-1

Hexagon Self-locking Nut

Special Features:

Safety critical thread per federal standard h28/20 system 22

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Nut Style

Hexagon

Nut Height

Between 0.240 inches and 0.360 inches

Width Across Flats

Between 0.430 inches and 0.439 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Criticality Code Justification

Feat

Bearing Surface Type

Chamfered or washer faced

Material

Plastic polyamide locking insert

Material

Steel comp 1137 nut

Surface Treatment

Cadmium nut and chromate nut

Surface Treatment Specification

Qq-p-416, ty2 cl3 federal specification single treatment response nut

NSN

5310-01-386-6042

Part Number

02318-1

Description

Nut,self-locking,hexagon

CAGE

14153

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 02318-1 NSN 5310-01-386-6042

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Construction Materials

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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