PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42-485Shielding Gasket,electronic

Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division · NSN 5999-00-866-3378 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-866-3378 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-866-3378. Primary manufacturer part number: 42-485.
Features
  • Shielding Gasket,electronic — FSC 5999
  • Style Designator: NON-CIRCULAR
  • Outside Edge to Bolt Hole Center Distance Along Width: 0.187 INCHES NOMINAL IN
  • Material: UNABLE TO DECODE
  • Outside Edge to Bolt Hole Center Distance Along Length: 0.187 INCHES NOMINAL IN
  • Outside Corner Radius: 0.187 INCHES NOMINAL IN
  • Hole Diameter: 0.203 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.020 INCHES NOMINAL 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 5999-00-866-3378, 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 Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-866-3378
Primary Part Number42-485
Item NameShielding Gasket,electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerParker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
StatusCANCELLED
Style DesignatorNON-CIRCULAR
Outside Edge to Bolt Hole Center Distance Along Width0.187 INCHES NOMINAL IN
MaterialUNABLE TO DECODE
Outside Edge to Bolt Hole Center Distance Along Length0.187 INCHES NOMINAL IN
Outside Corner Radius0.187 INCHES NOMINAL IN
Hole Diameter0.203 INCHES NOMINAL IN
Cross-Sectional Thickness0.020 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Length1.250 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Width1.250 INCHES NOMINAL IN
Environmental Protection Material LocationTHROUGHOUT RF SHIELDING GASKET
Aperture Diameter1.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
MaterialUNABLE TO DECODE
Bolt Hole Quantity4
Style DesignatorNON-CIRCULAR
Outside Edge to Bolt Hole Center Distance Along Width0.187 INCHES NOMINAL IN
MaterialUNABLE TO DECODE
Outside Edge to Bolt Hole Center Distance Along Length0.187 INCHES NOMINAL IN
Outside Corner Radius0.187 INCHES NOMINAL IN
Hole Diameter0.203 INCHES NOMINAL IN
Cross-Sectional Thickness0.020 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Length1.250 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Width1.250 INCHES NOMINAL IN
Environmental Protection Material LocationTHROUGHOUT RF SHIELDING GASKET
Aperture Diameter1.375 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0200 lbs
Cube0.0002 cu ft
Verified Substitutes 3
No Item Name Available
5950-01-054-7288854134-1 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5962-01-177-072142485 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
Cross-Reference Index
Part NumberManufacturer
12618692-1 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
04-0302-2485 Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group (USA)
42-485 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA)
04-0302-2485 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA)
2657750-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
7209973P023 Lockheed Martin Corporation Div Rms (USA)
GG810F-22 Northrop Grumman Systems Corporation (USA)
8776105-3 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
42-485 Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group (USA)
Related Parts
5999-00-789-9369SUCCESSOR
NO ITEM NAME AVAILABLE
5950-01-054-7288INTERCHANGEABLE
COIL,RADIO FREQUENCY
854134-1
5962-01-177-0721INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
42485

Frequently Asked Questions

What is NSN 5999-00-866-3378?

NSN 5999-00-866-3378 is a Shielding Gasket,electronic, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division, classified under FSC 5999 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5999-00-866-3378?

NSN 5999-00-866-3378 has 9 cross-referenced part numbers: 12618692-1 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 04-0302-2485 (Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group), 42-485 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 04-0302-2485 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 2657750-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 4 more.

What NSN replaces 5999-00-866-3378?

There are 3 known substitutes for 5999-00-866-3378: 5999-00-789-9369, 5950-01-054-7288, 5962-01-177-0721. Verify interchangeability with system specifications before substitution.

What are the specifications of 42-485?

Key specifications for 42-485: Style Designator: NON-CIRCULAR; Outside Edge to Bolt Hole Center Distance Along Width: 0.187 INCHES NOMINAL IN; Material: UNABLE TO DECODE; Outside Edge to Bolt Hole Center Distance Along Length: 0.187 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5999-00-866-3378 still in active supply?

NSN 5999-00-866-3378 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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