Model: 521A21

Dial Window

Special Features:

Squared corners

Properties:

Width

1.437 inches

Material Thickness

0.040 inches

Length

1.906 inches

Attachment Method

Center hole

Color

Black

Material

Plastic acrylic

Style Designator

Rectangular w/chamfered corners

NSN

5355-00-867-3591

Part Number

521A21

Description

Window,dial

CAGE

94033

A piece of transparent material specifically designed to be placed directly in front of a dial or scale to protect it from foreign matter. It is cut to size and may include a frame. It may have an index line or other marking. See also window, observation; and dial, scale.

Part 521A21 NSN 5355-00-867-3591

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

08194

FIIG:

A530R0

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:

000000

UFC:

00000

LTL:

NO RATING

LCL:

WCC:

772

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7015900000
SITC: 66494
End Use: Jewelry, etc.
NAICS: 327215
USDA: 1

Freight Class: Clock or watch glass; glasses for noncorrective spectagles not optically worked; hollow glass spheres and their segments for the mnfctr ofsuch glasses