Model: 00409

Convex Washer

Properties:

Hole Diameter

Between 0.420 inches and 0.430 inches

Outside Diameter

Between 0.740 inches and 0.760 inches

Material Thickness

Between 0.140 inches and 0.160 inches

Hardness Rating

Between 36.0 rockwell c and 40.0 rockwell c

Surface Finish

32.0 microinches bottom

Surface Finish

80.0 microinches top

Material

Steel comp 8740 or steel comp 4140

Material Specification

Ams 6322 assn standard 1st material response and ams 6382 assn standard 2nd material response

Style Designator

Convex

NSN

5310-00-596-8794

Part Number

00409

Description

Washer,convex

CAGE

14153

A washer which is round with a centrally located hole. One bearing surface is smooth, flat, and unbroken, the other bearing surface is smooth, unbroken, and is raised to form a curved or spherical contour. See also washer (1), concave. Excludes bearing, washer thrust.

Part 00409 NSN 5310-00-596-8794

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15931

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:

194160

UFC:

55210

LTL:

50.0

LCL:

WCC:

713

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