Model: 31-297B

Electronic Shielding Gasket

Properties:

Cross Sectional Shape
Mesh and composition
Hole Diameter
0.125 inches
Bolt Circle Diameter
4.500 inches
Outside Diameter
5.000 inches
Minor Width
Between 0.125 inches and 0.141 inches
Aperture Diameter
3.750 inches
Cross-sectional Height
0.156 inches
Minor Height
Between 0.109 inches and 0.156 inches
Bolt Hole Quantity
8
Environmental Protection Material Location
Rf shielding gasket outer edge
Material
Aluminum alloy 5056 emi/rfi conductor
Material
Rubber chloroprene class cr environmental seal
Material Specification
Ams-4182, alloy 5056 federal specification single material response emi/rfi conductor
Material Specification
Mil-r6855, grade 4 military specification single material response environmental seal
Style Designator
Circular
NSN
5999-00-658-9656
Part Number
31-297B
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 31-297B NSN 5999-00-658-9656

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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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