Model: SI668A8

Finishing Washer

Properties:

Hole Diameter

Between 0.133 inches and 0.143 inches

Outside Diameter

0.500 inches

Overall Height

Between 0.048 inches and 0.064 inches

Recess Diameter

Between 0.280 inches and 0.296 inches

Material Thickness

0.016 inches

Recess Angle

100.0 degrees

Material

Aluminum alloy 2024

Material Specification

Qq-a-250/5, t4 federal specification single material response

Surface Treatment

Anodize

Surface Treatment Specification

Mil-a-8625 military specification single treatment response

Style Designator

Finishing

NSN

5310-00-490-1635

Part Number

SI668A8

Description

Washer,finishing

CAGE

24434

A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.

Part SI668A8 NSN 5310-00-490-1635

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15932

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:

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616108000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum