Model: 3502-20-4

Spring Tension Washer

Properties:

Hole Diameter

Between 0.376 inches and 0.382 inches

Outside Diameter

Between 0.558 inches and 0.568 inches

Overall Height

Between 0.070 inches and 0.090 inches

Material Thickness

0.020 inches

Material

Steel comp 1095

Material Specification

Sae assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 1, cl 3 federal specification single treatment response

NSN

5310-00-595-5498

Part Number

3502-20-4

Description

Washer,spring Tension

CAGE

78189

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

Part 3502-20-4 NSN 5310-00-595-5498

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