PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0N008021Shielding Gasket,electronic

National Security Agency · NSN 5999-00-953-4136 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-953-4136 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-953-4136. Primary manufacturer part number: 0N008021.
Features
  • Shielding Gasket,electronic — FSC 5999
  • Cross-Sectional Shape Style: EMI
  • Center to Center Distance Between Bolt Holes Along Width: 0.719 INCHES NOMINAL IN
  • Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET
  • Bolt Hole Quantity: 4
  • Center to Center Distance Between Bolt Holes Along Length: 0.719 INCHES NOMINAL IN
  • Material: UNABLE TO DECODE
  • Material Document and Classification: UNABLE TO DECODE
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 5999-00-953-4136, 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 National Security Agency. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-00-953-4136
Primary Part Number0N008021
Item NameShielding Gasket,electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNational Security Agency
StatusACTIVE
Cross-Sectional Shape StyleEMI
Center to Center Distance Between Bolt Holes Along Width0.719 INCHES NOMINAL IN
Environmental Protection Material LocationTHROUGHOUT RF SHIELDING GASKET
Bolt Hole Quantity4
Center to Center Distance Between Bolt Holes Along Length0.719 INCHES NOMINAL IN
MaterialUNABLE TO DECODE
Material Document and ClassificationUNABLE TO DECODE
Style DesignatorNON-CIRCULAR
Temp Rating-62.0 CELSIUS AND 75.0 CELSIUS DEGC
Cross-Sectional Height0.020 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
MaterialUNABLE TO DECODE
Aperture Diameter0.549 INCHES NOMINAL IN
Hole Diameter0.149 INCHES NOMINAL IN
Cross-Sectional Shape StyleEMI
Center to Center Distance Between Bolt Holes Along Width0.719 INCHES NOMINAL IN
Environmental Protection Material LocationTHROUGHOUT RF SHIELDING GASKET
Bolt Hole Quantity4
Center to Center Distance Between Bolt Holes Along Length0.719 INCHES NOMINAL IN
MaterialUNABLE TO DECODE
Material Document and ClassificationUNABLE TO DECODE
Style DesignatorNON-CIRCULAR
Temp Rating-62.0 CELSIUS AND 75.0 CELSIUS DEGC
Cross-Sectional Height0.020 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
MaterialUNABLE TO DECODE
Aperture Diameter0.549 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor7025-01-013-4630 (802-01)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Verified Substitutes 12
7025-01-013-4630802-01 SUCCESSOR
Container,tape
Computer Accessories Corp
7025-01-338-123080201 SUCCESSOR
Interface Unit,automatic Data Pr
Motorola/codex Corp Sub of Motorola Inc
5950-00-080-303780201 INTERCHANGEABLE
Transformer,power Autotransforme
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5310-00-088-6153107B8212P1 INTERCHANGEABLE
Nut,self-Locking,hexagon
General Electric Company
5342-00-370-5137 INTERCHANGEABLE
Bracket,relief Tube
5905-00-412-1302R1160-4 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Shallcross Inc
1680-00-485-2835WM204 INTERCHANGEABLE
Bracket Assy Pilots
Smith and Smith Aircraft Co
5950-00-581-8105 INTERCHANGEABLE
Transformer,audio Frequency
5330-00-843-769080201 INTERCHANGEABLE
Seal,plain Encased
Gebauer Chemical Co
5330-01-060-9610 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
0N008021 National Security Agency (USA)
0N008021 Auburn Manufacturing Co, the (USA)
8020-1 Robins a K and Co Inc (USA)
572040-00481-05 Spectrum Control Inc (USA)
Related Parts
SUCCESSOR 7025-01-013-4630 Container,tape · 802-01
7025-01-338-1230SUCCESSOR
INTERFACE UNIT,AUTOMATIC DATA PR
80201
5950-00-080-3037INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
80201
5310-00-088-6153INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
107B8212P1
5342-00-370-5137INTERCHANGEABLE
BRACKET,RELIEF TUBE
5905-00-412-1302INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
R1160-4
1680-00-485-2835INTERCHANGEABLE
BRACKET ASSY PILOTS
WM204
5950-00-581-8105INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5330-00-843-7690INTERCHANGEABLE
SEAL,PLAIN ENCASED
80201
5330-01-060-9610INTERCHANGEABLE
SEAL,PLAIN ENCASED
6680-01-107-8279INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
G52-1
4820-01-262-3301INTERCHANGEABLE
PISTON,VALVE
802-01

Frequently Asked Questions

What is NSN 5999-00-953-4136?

NSN 5999-00-953-4136 is a Shielding Gasket,electronic, manufactured by National Security Agency, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-953-4136?

NSN 5999-00-953-4136 has 4 cross-referenced part numbers: 0N008021 (National Security Agency), 0N008021 (Auburn Manufacturing Co, the), 8020-1 (Robins a K and Co Inc), 572040-00481-05 (Spectrum Control Inc).

What NSN replaces 5999-00-953-4136?

There are 12 known substitutes for 5999-00-953-4136: 7025-01-013-4630, 7025-01-338-1230, 5950-00-080-3037 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0N008021?

Key specifications for 0N008021: Cross-Sectional Shape Style: EMI; Center to Center Distance Between Bolt Holes Along Width: 0.719 INCHES NOMINAL IN; Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Bolt Hole Quantity: 4. 30 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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