Model: 646-8651

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
2
Hole Quantity Along Width
4
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
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 NSN 5340-01-172-6651

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29785
FIIG:
A531C0
Concept No.:
App. Key:
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013560
UFC:
05690
LTL:
60.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
Z
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

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