Model: 687-9144-001

Access Cover

Special Features:

Hardness critical item

Properties:

Cross Sectional Shape

Flat

Hole Diameter

0.173 inches

Width

3.250 inches

Edge Shape

Rectangle, four holes

Length

4.125 inches

Distance Between Holes Along Length

2.851 inches

Distance Between Holes Along Width

2.275 inches

Distance From First Hole Centerline To End Along Length

0.200 inches

Distance From First Hole Centerline To End Along Width

Between 0.675 inches and 1.175 inches

Body Thickness

Between 0.037 inches and 0.043 inches

Securing Device Type

Special

Mounting Opening Shape Style

Unthreaded hole

Criticality Code Justification

Feat

Material

Aluminum alloy 5052

Material Specification

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

Surface Treatment

Paint

Surface Treatment Specification

Mil-f-14072b, type 1 or 2 military specification single treatment response

NSN

5340-01-324-8988

Part Number

687-9144-001

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 687-9144-001 NSN 5340-01-324-8988

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

013120

UFC:

05380

LTL:

100.0

LCL:

100.0

WCC:

576

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