PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

270818-3Shielding Gasket,electronic

Cubic Defense Applications, Inc. · NSN 5999-01-413-5720 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-413-5720 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-413-5720. Primary manufacturer part number: 270818-3.
Features
  • Shielding Gasket,electronic — FSC 5999
  • Outside Diameter: 11.960 INCHES MINIMUM AND 12.020 INCHES MAXIMUM IN
  • Material Document and Classification: UNABLE TO DECODE
  • Precious Material: SILVER
  • Precious Material and Location: AS A PLATING ON THE COPPER, THROUGHOUT SILICONE EL SILVER
  • Style Designator: CIRCULAR
  • Material: UNABLE TO DECODE
  • Aperture Diameter: 11.710 INCHES MINIMUM AND 11.770 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Unable to Decode construction
General Description

The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-413-5720, is classified within Federal Supply Class 5999 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cubic Defense Applications, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-413-5720
Primary Part Number270818-3
Item NameShielding Gasket,electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerCubic Defense Applications, Inc.
StatusACTIVE
Outside Diameter11.960 INCHES MINIMUM AND 12.020 INCHES MAXIMUM IN
Material Document and ClassificationUNABLE TO DECODE
Precious MaterialSILVER
Precious Material and LocationAS A PLATING ON THE COPPER, THROUGHOUT SILICONE EL SILVER
Style DesignatorCIRCULAR
MaterialUNABLE TO DECODE
Aperture Diameter11.710 INCHES MINIMUM AND 11.770 INCHES MAXIMUM IN
Outside Diameter11.960 INCHES MINIMUM AND 12.020 INCHES MAXIMUM IN
Material Document and ClassificationUNABLE TO DECODE
Precious MaterialSILVER
Precious Material and LocationAS A PLATING ON THE COPPER, THROUGHOUT SILICONE EL SILVER
Style DesignatorCIRCULAR
MaterialUNABLE TO DECODE
Aperture Diameter11.710 INCHES MINIMUM AND 11.770 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeYN
Weight0.0400 lbs
Cube0.0047 cu ft
Verified Substitutes 1
Contact,electrical
Cross-Reference Index
Part NumberManufacturer
MS27148-3 Elc Industries Corp. Dba Aurora Defense Group Div Aurora Defense Group (USA)
270818-3 PRIMARY Cubic Defense Applications, Inc. (USA)
Related Parts
5999-00-926-3144SUCCESSOR
CONTACT,ELECTRICAL

Frequently Asked Questions

What is NSN 5999-01-413-5720?

NSN 5999-01-413-5720 is a Shielding Gasket,electronic, manufactured by Cubic Defense Applications, Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-413-5720?

NSN 5999-01-413-5720 has 2 cross-referenced part numbers: MS27148-3 (Elc Industries Corp. Dba Aurora Defense Group Div Aurora Defense Group), 270818-3 (Cubic Defense Applications, Inc.).

What NSN replaces 5999-01-413-5720?

There is 1 known substitute for 5999-01-413-5720: 5999-00-926-3144. Verify interchangeability with system specifications before substitution.

What are the specifications of 270818-3?

Key specifications for 270818-3: Outside Diameter: 11.960 INCHES MINIMUM AND 12.020 INCHES MAXIMUM IN; Material Document and Classification: UNABLE TO DECODE; Precious Material: SILVER; Precious Material and Location: AS A PLATING ON THE COPPER, THROUGHOUT SILICONE EL SILVER. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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