Model: 6661522-18

Slotted Washer

Properties:

Hole Diameter

Between 0.253 inches and 0.258 inches

Outside Diameter

Between 0.495 inches and 0.498 inches

Material Thickness

Between 0.0785 inches and 0.0789 inches

Hardness Rating

Between 79.4 rockwell superficial 15-n and 83.5 rockwell superficial 15-n

Surface Finish

32.0 microinches bottom

Surface Finish

32.0 microinches top

Heat Treatment

Annealed

Material

Steel comp 410

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Pr100 fscm 09523 mfr ref single treatment response

Style Designator

Slotted

NSN

5310-00-113-6681

Part Number

6661522-18

Description

Washer,slotted

CAGE

09523

A washer, round in shape, and having a centrally located hole. Its two flat parallel bearing surfaces are divided or cut along the radius, leaving a cleft, fissure, or cutaway portion across the rim which extends from the outer circumference to the washer hole and is always as large as, or larger than the diameter of the hole.

Part 6661522-18 NSN 5310-00-113-6681

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15936

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:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318220000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Washers other than lock washers, iron or steel