Model: 178AS193

Spring Tension Washer

Properties:

Hole Diameter

Between 0.155 inches and 0.165 inches

Outside Diameter

Between 0.235 inches and 0.245 inches

Overall Height

Between 0.033 inches and 0.053 inches

Material Thickness

0.010 inches

Hardness Rating

Between 83.0 rockwell superficial 15-n and 86.0 rockwell superficial 15-n

Material

Steel

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 cl 2 type 2 federal specification single treatment response or mil-c-81562 cl 2 type 2 military specification single treatment response

NSN

5310-00-459-9187

Part Number

178AS193

Description

Washer,spring Tension

CAGE

30003

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

Part 178AS193 NSN 5310-00-459-9187

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15938

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: 7318210000
SITC: 69422
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel