Model: 4218900-21

Flat Spring

Special Features:

center to center distance between holes is 0.875 inches

Properties:

Overall Height

1.860 inches

Material

Copper alloy 172

Material Specification

Qq-c-533 federal specification single material response

NSN

5360-01-399-0449

Part Number

4218900-21

Description

Spring,flat

CAGE

05869

A spring made of flat or prebent strip metal. It is designed to apply force in one direction when deflected in the opposite direction. It must be capable of recovering size or shape after deformation. Excludes spring (1), leaf; and springs designed for thermal actuation (springs in which the torsion forces are counteracted by changes in temperature).

Part 4218900-21 NSN 5360-01-399-0449

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

61782

FIIG:

A02900

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:

178020

UFC:

87470

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7419991600
SITC: 69973
End Use: Finished metal shapes
NAICS: 332613
USDA: 1

Freight Class: Copper springs