Model: MODEL A-4447-B

Feedthru Insulator

Special Features:

Oil filled porcelain tubes; tube length of 30 inches; rain shield with 6.5 inch skirt and corona ring; 5 element unit, f9 double bowl; wells in base plate to allow fitting of elements

Properties:

Outside Diameter
36.000 inches
End Application
700 foot tower for top loaded element loran transmitting antenna
Center Stud Length
35.500 inches
Part Name Assigned By Controlling Agency
Tower base insulator
Style Designator
Double, bowl
NSN
5970-01-115-0479
Part Number
MODEL A-4447-B
Description
Insulator,feedthru
CAGE
37842

An insulator which is specifically designed to provide for the passage of electrical conductors through such items as panels, bulkheads, walls, and the like. It consists of two or more insulators, including one or more studs fed through the items in such a way as to be used as conductors. The studs may be used for mounting. See also insulator, bowl; and terminal, feedthru, insulated.

Part MODEL A-4447-B NSN 5970-01-115-0479

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
18284
FIIG:
A007A0
Concept No.:
1
App. Key:
F
Cond. Code:
1
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

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Schedule B and Export
  • Schedule B: 8546900000
  • SITC: 77324
  • End Use: Electric apparatus
  • NAICS: 326199
  • USDA: 1

Freight Class: Electrical insulators, nesoi

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