PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9-99025Shielding Gasket,electronic

Winchester Interconnect Rf Corporation · NSN 5999-01-459-3343 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-459-3343 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-459-3343. Primary manufacturer part number: 9-99025.
Features
  • Shielding Gasket,electronic — FSC 5999
  • Aperture Length: 0.190 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: METAL AND SYNTHETIC RUBBER
  • Cross-Sectional Thickness: 0.040 INCHES NOMINAL IN
  • Criticality Code Justification: FEAT
  • Style Designator: NON-CIRCULAR
  • Material: UNABLE TO DECODE
  • Precious Material: SILVER
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 5999-01-459-3343, 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 Winchester Interconnect Rf Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-459-3343
Primary Part Number9-99025
Item NameShielding Gasket,electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerWinchester Interconnect Rf Corporation
StatusACTIVE
Aperture Length0.190 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
Cross-Sectional Thickness0.040 INCHES NOMINAL IN
Criticality Code JustificationFEAT
Style DesignatorNON-CIRCULAR
MaterialUNABLE TO DECODE
Precious MaterialSILVER
Surface TreatmentUNABLE TO DECODE
Aperture Width0.040 INCHES NOMINAL IN
Aperture Length0.190 INCHES NOMINAL IN
Cross-Sectional Shape StyleMETAL AND SYNTHETIC RUBBER
Cross-Sectional Thickness0.040 INCHES NOMINAL IN
Criticality Code JustificationFEAT
Style DesignatorNON-CIRCULAR
MaterialUNABLE TO DECODE
Precious MaterialSILVER
Surface TreatmentUNABLE TO DECODE
Aperture Width0.040 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0010 lbs
Cube0.0005 cu ft
Verified Substitutes 2
5330-00-238-7951 INTERCHANGEABLE
Gasket
5315-00-515-3684142206 INTERCHANGEABLE
Pin,special Lsp
Huck International, Inc
Cross-Reference Index
Part NumberManufacturer
9-99025 PRIMARY Winchester Interconnect Rf Corporation (USA)
036-0990506 Winchester Interconnect Rf Corporation (USA)
142-206-0002 Northrop Grumman Systems Corporation (USA)
142-206 Northrop Grumman Systems Corporation (USA)
Related Parts
5330-00-238-7951INTERCHANGEABLE
GASKET
5315-00-515-3684INTERCHANGEABLE
PIN,SPECIAL LSP
142206

Frequently Asked Questions

What is NSN 5999-01-459-3343?

NSN 5999-01-459-3343 is a Shielding Gasket,electronic, manufactured by Winchester Interconnect Rf Corporation, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-459-3343?

NSN 5999-01-459-3343 has 4 cross-referenced part numbers: 9-99025 (Winchester Interconnect Rf Corporation), 036-0990506 (Winchester Interconnect Rf Corporation), 142-206-0002 (Northrop Grumman Systems Corporation), 142-206 (Northrop Grumman Systems Corporation).

What NSN replaces 5999-01-459-3343?

There are 2 known substitutes for 5999-01-459-3343: 5330-00-238-7951, 5315-00-515-3684. Verify interchangeability with system specifications before substitution.

What are the specifications of 9-99025?

Key specifications for 9-99025: Aperture Length: 0.190 INCHES NOMINAL IN; Cross-Sectional Shape Style: METAL AND SYNTHETIC RUBBER; Cross-Sectional Thickness: 0.040 INCHES NOMINAL IN; Overall Width: 0.040 INCHES NOMINAL IN. 26 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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