Model: 70188-104

Convex Washer

Special Features:

Color natural

Properties:

Hole Diameter

Between 0.260 inches and 0.270 inches

Outside Diameter

Between 0.495 inches and 0.505 inches

Material Thickness

Between 0.072 inches and 0.082 inches

Hardness Rating

Between 40.0 rockwell c and 43.0 rockwell c

Surface Finish

32.0 microinches bottom

Material

Steel comp 630 or steel comp 631

Material Specification

Ams 5643 assn standard 1st material response or ams 5528 assn standard 2nd material response

Surface Treatment

Lead

Surface Treatment Specification

Ams 2414 assn standard single treatment response

Style Designator

Convex

Specification Data

81205-bacw10ca manufacturers standard

NSN

5310-01-022-5618

Part Number

70188-104

Description

Washer,convex

CAGE

56878

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 70188-104 NSN 5310-01-022-5618

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:

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

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