Model: 3031914-5

Lock Washer

Properties:

Hole Diameter

Between 0.194 inches and 0.205 inches

Outside Diameter

0.323 inches

Material Thickness

Between 0.040 inches and 0.046 inches

Hardness Rating

90.0 rockwell b

Material

Copper alloy

Surface Treatment

Tin

Surface Treatment Specification

Mil-t-10727 military specification single treatment response

Style Designator

Split helical-right hand

Nondefinitive Specification/std Data

1 style and e class

Departure From Cited Designator

As modified by surface treatment

NSN

5310-00-968-3176

Part Number

3031914-5

Description

Washer,lock

CAGE

49671

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part 3031914-5 NSN 5310-00-968-3176

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

14218

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7415210000
SITC: 69432
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Copper washers including spring washers not threaded