Model: ES8420-01

Spring Tension Washer

Properties:

Hole Diameter

Between 0.244 inches and 0.251 inches

Outside Diameter

Between 0.465 inches and 0.472 inches

Overall Height

Between 0.032 inches and 0.036 inches

Material Thickness

Between 0.018 inches and 0.020 inches

Hardness Rating

Between 45.0 rockwell c and 50.0 rockwell c

Material

Steel comp 631

Material Specification

Ams 5528 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Spring tension

NSN

5310-01-309-3748

Part Number

ES8420-01

Description

Washer,spring Tension

CAGE

20418

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

Part ES8420-01 NSN 5310-01-309-3748

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15938

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194160

UFC:

55210

LTL:

50.0

LCL:

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