Model: 646-8651-001

Access Cover

Properties:

Cross Sectional Shape

Square or rectangular recess

Width

4.562 inches

Flange Thickness

Between 0.059 inches and 0.067 inches

Edge Shape

Rectangle, multi holes

Length

4.288 inches

Inside Width

4.496 inches

Inside Length

1.903 inches

Corner Radius

0.060 inches

Hole Quantity Along Length

Hole Quantity Along Width

Distance Between Holes Along Length

Between 1.062 inches and 1.156 inches

Distance Between Holes Along Width

1.722 inches

Distance From First Hole Centerline To End Along Length

2.648 inches

Distance From First Hole Centerline To End Along Width

0.743 inches

First Recess Inside Height

1.745 inches

Inside Corner Radius

0.060 inches

Body Thickness

Between 0.059 inches and 0.067 inches

End Application

An/arc-186 radio set

Material

Aluminum alloy 5052

Material Specification

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

Fsc Application Data

Cm-492/arc-18 (v) comparator, signal data

NSN

5340-01-172-6651

Part Number

646-8651-001

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 646-8651-001 NSN 5340-01-172-6651

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:

013560

UFC:

05690

LTL:

60.0

LCL:

WCC:

576

TCC:

SHC:

ACC:

Instruments/Radio

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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