Model: 70191-104

Concave Washer

Special Features:

Color natural

Properties:

Hole Diameter

Between 0.358 inches and 0.368 inches

Radius

Between 0.360 inches and 0.390 inches

Outside Diameter

Between 0.557 inches and 0.567 inches

Material Thickness

0.075 inches

Min. Tensile Strength (psi)

180000 pounds per square inch

Hardness Rating

Between 40.0 rockwell c and 43.0 rockwell c

Surface Finish

32.0 microinches bottom

Material

Steel

Material Specification

Ams 5643 assn standard single material response or ams 5528 assn standard single material response

Surface Treatment

Nickel or cadmium and chromate

Surface Treatment Specification

Ams 2416 assn standard single treatment response

Style Designator

Concave

Specification Data

81205-bacw10ca manufacturers standard

NSN

5310-01-022-0355

Part Number

70191-104

Description

Washer,concave

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 recessed to form a curved or spherical contour. See also washer (1), convex. Excludes washer (1), recessed and bearing, washer, thrust.

Part 70191-104 NSN 5310-01-022-0355

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15930

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

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