Model: 7407418

Lock Washer

Properties:

Hole Diameter

Between 0.317 inches and 0.334 inches

Outside Diameter

Between 0.411 inches and 0.428 inches

Material Thickness

Between 0.073 inches and 0.083 inches

Material

Steel

Material Specification

66 federal standard single material response

Surface Treatment

Zinc

Surface Treatment Specification

Qq-z-325, type 2, cl 2 federal specification single treatment response

Style Designator

Split helical-right hand

NSN

5310-00-740-7418

Part Number

7407418

Description

Washer,lock

CAGE

19207

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part 7407418 NSN 5310-00-740-7418

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

14218

FIIG:

A022B0

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:

194160

UFC:

55210

LTL:

50.0

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318210000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel