Model: 178C025-1

Access Cover

Properties:

Cross Sectional Shape

Recess, same shape as the periphery

Hole Diameter

0.136 inches

Width

4.218 inches

Flange Thickness

0.063 inches

Edge Shape

Rectangle, four holes

Length

5.218 inches

Corner Radius

0.047 inches

Distance Between Holes Along Length

4.532 inches

Distance Between Holes Along Width

3.640 inches

Distance From First Hole Centerline To End Along Length

0.343 inches

Distance From First Hole Centerline To End Along Width

0.484 inches

First Recess Inside Height

0.187 inches

Body Thickness

0.063 inches

Securing Device Type

Special

Mounting Opening Shape Style

Unthreaded hole

Material

Aluminum alloy 5052

Material Specification

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

Surface Treatment

Enamel

Surface Treatment Specification

Mil-e-5558, no. 513 military specification single treatment response

NSN

5340-01-271-3352

Part Number

178C025-1

Description

Cover,access

CAGE

78711

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 178C025-1 NSN 5340-01-271-3352

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:

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