Model: 02374-1

Hexagon Castellated Plain Nut

Special Features:

Safety critical thread per federal standard h28/20 system 22

Properties:

Thread Class

Thread Direction

Right-hand

Nut Style

Castellated, hexagon

Nut Height

1.000 inches

Width Across Flats

4.000 inches

Thread Series

Uns

Thready Qty Per Inch (tpi)

Hardness Rating

Between 30.0 rockwell c and 34.0 rockwell c

Thread Size

3.438 inches

Criticality Code Justification

Feat

Bearing Surface Type

Chamfered or washer faced

Material

Steel comp 8740

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, ty2, cl2 federal specification single treatment response

NSN

5310-01-383-9044

Part Number

02374-1

Description

Nut,plain,castellated,hexagon

CAGE

14153

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.

Part 02374-1 NSN 5310-01-383-9044

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01854

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