Model: 3345-TAB

Lock Washer

Properties:

Hole Diameter

Between 0.129 inches and 0.141 inches

Outside Diameter

0.244 inches

Overall Height

0.155 inches

Material Thickness

0.009 inches

Part Name Assigned By Controlling Agency

Navy special project

Color

Bronze

Material

Copper alloy

Material Specification

Qq-b-750, comp a, hard federal specification single material response

Style Designator

Split double helical ring

NSN

5310-01-323-1609

Part Number

3345-TAB

Description

Washer,lock

CAGE

K7798

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 3345-TAB NSN 5310-01-323-1609

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:

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

Freight Class: Copper washers including spring washers not threaded