Model: 12K3290-7

Spring Tension Washer

Properties:

Hole Diameter

Between 0.750 inches and 0.760 inches

Outside Diameter

Between 1.720 inches and 1.730 inches

Overall Height

0.080 inches

Material Thickness

0.040 inches

Material

Steel

NSN

5310-00-839-3806

Part Number

12K3290-7

Description

Washer,spring Tension

CAGE

81755

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

Part 12K3290-7 NSN 5310-00-839-3806

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194160

UFC:

55210

LTL:

50.0

LCL:

50.0

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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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