Model: 1684M5

Access Cover

Properties:

Cross Sectional Shape

Circular recess

Inside Diameter

4.250 inches

Hole Diameter

0.438 inches

Bolt Circle Diameter

Between 5.035 inches and 5.055 inches

Flange Thickness

0.420 inches

Edge Shape

Round, multiears and holes

Body Radius

2.375 inches

Inverted Radius

0.310 inches

Ear Radius

0.310 inches

Ear Quantity

Bolt Circle Hole Quantity

First Recess Inside Height

0.750 inches

Inside Corner Radius

0.125 inches

Body Thickness

0.125 inches

Securing Device Type

Threaded fastener

Mounting Opening Shape Style

Unthreaded hole

Material

Aluminum alloy a380.0

Material Specification

Qq-a-591 federal specification single material response

Surface Treatment

Oxide film

NSN

5340-00-621-2567

Part Number

1684M5

Description

Cover,access

CAGE

56442

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 1684M5 NSN 5340-00-621-2567

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:

0.6000lbs

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:

013120

UFC:

05380

LTL:

100.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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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