Model: 4491-181PC42

Spring Tension Washer

Properties:

Hole Diameter

Between 0.323 inches and 0.329 inches

Outside Diameter

Between 0.779 inches and 0.787 inches

Overall Height

Between 0.511 inches and 0.515 inches

Material Thickness

Between 0.0226 inches and 0.0246 inches

Hardness Rating

Between 49.0 rockwell c and 50.0 rockwell c

Material

Steel comp 316

Style Designator

Spring tension

NSN

5310-01-119-7205

Part Number

4491-181PC42

Description

Washer,spring Tension

CAGE

25685

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

Part 4491-181PC42 NSN 5310-01-119-7205

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