Model: 646-8521-001

Access Cover

Special Features:

White screening, r/n 646-8816-001

Properties:

Cross Sectional Shape

Square or rectangular recess

Hole Diameter

0.209 inches

Flange Thickness

0.004 inches

Inside Width

4.875 inches

Inside Length

0.220 inches

First Recess Inside Height

0.212 inches

Inside Corner Radius

0.090 inches

Body Thickness

0.004 inches

Securing Device Type

Threaded fastener

Mounting Opening Shape Style

Unthreaded hole

End Application

A10a acft

Material

Aluminum alloy 5052

Material Specification

Qq-a-250/8, t h32 federal specification single material response

Surface Treatment

Enamel

Fsc Application Data

CONT-RO-LDI-SPLA

NSN

5340-01-134-6227

Part Number

646-8521-001

Description

Cover,access

CAGE

13499

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes all covers not specifically designed to provide access for the purposes listed above.

Part 646-8521-001 NSN 5340-01-134-6227

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29785

FIIG:

A531C0

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:

0.2000lbs

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:

133300

UFC:

63220

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Equipment for Aircraft

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Schedule B and Export

Schedule B: 7616995095
SITC: 69979
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Articles of aluminum nesoi