Model: 15520D

Spring Tension Washer

Properties:

Hole Diameter

Between 1.310 inches and 1.315 inches

Outside Diameter

Between 1.533 inches and 1.538 inches

Overall Height

Between 0.050 inches and 0.055 inches

Material Thickness

Between 0.0068 inches and 0.0072 inches

Min. Tensile Strength (psi)

170 pounds per square inch

Hardness Rating

Between 37.0 rockwell c and 44.0 rockwell c

Minimum Yield Strength

150 pounds per square inch

Material

Steel comp 301

Material Specification

Mil-s-5059 military specification single material response

Surface Treatment

Passivate

Style Designator

Spring tension

NSN

5310-00-639-1821

Part Number

15520D

Description

Washer,spring Tension

CAGE

73760

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

Part 15520D NSN 5310-00-639-1821

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