Model: 42-487

Electronic Shielding Gasket

Properties:

Cross Sectional Shape
Wire and composition
Hole Diameter
Between 0.193 inches and 0.213 inches
Overall Length
Between 1.750 inches and 1.766 inches
Overall Width
Between 1.750 inches and 1.766 inches
Aperture Diameter
Between 1.500 inches and 1.516 inches
Outside Corner Radius
0.188 inches
Center To Center Distance Between Bolt Holes Along Width
Between 1.365 inches and 1.385 inches
Center To Center Distance Between Bolt Holes Along Length
Between 1.365 inches and 1.385 inches
Outside Edge To Bolt Hole Center Distance Along Width
Between 0.172 inches and 0.192 inches
Outside Edge To Bolt Hole Center Distance Along Length
Between 0.172 inches and 0.192 inches
Cross-sectional Height
0.020 inches
Bolt Hole Quantity
4
Environmental Protection Material Location
Throughout rf shielding gasket
Material
Aluminum alloy 5056 emi/rfi conductor
Material
Rubber chloroprene class cr environmental seal
Material Specification
Ams 4182 assn standard single material response emi/rfi conductor
Material Specification
Ams 3222 assn standard single material response environmental seal
Surface Treatment
Chromate emi/rfi conductor
Surface Treatment Specification
Mil-c-5541 military specification single treatment response emi/rfi conductor
Style Designator
Non-circular
NSN
5999-00-917-7651
Part Number
42-487
Description
Shielding Gasket,electronic
CAGE
18565

A shaped metallic item designed to increase the effectiveness of radio frequency/electromagnetic interference, or a nonmetallic item containing a wire mesh, metal, or other electrically conductive particles designed to provide environmental sealing and radio frequency/electromagnetic interference shielding. For bulk items see wire mesh, knitted or gasketing material, conductive.

Part 42-487 NSN 5999-00-917-7651

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
20281
FIIG:
A032A0
Concept No.:
App. Key:
AK
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:
U
ESD:
A
ESD:
A
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
062800
UFC:
35070
LTL:
85.0
LCL:
--
WCC:
723
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8543909000
  • SITC: 77879
  • End Use: Electric apparatus
  • NAICS: 335999
  • USDA: 1

Freight Class: Electrical machines and apparatus parts, nesoi

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