Model: 9488 04

Concave Washer

Properties:

Hole Diameter

Between 0.253 inches and 0.263 inches

Radius

Between 0.218 inches and 0.238 inches

Outside Diameter

Between 0.390 inches and 0.400 inches

Recess Diameter

Between 0.272 inches and 0.282 inches

Material Thickness

Between 0.062 inches and 0.087 inches

Hardness Rating

Between 40.0 rockwell c and 46.0 rockwell c

Material

Steel comp 8740

Material Specification

Aisi assn standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class 3 federal specification single treatment response

Style Designator

Concave

NSN

5310-01-124-5194

Part Number

9488 04

Description

Washer,concave

CAGE

019L2

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 9488 04 NSN 5310-01-124-5194

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:

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