PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42321991Shielding Gasket,electronic

Bae Systems Information and Electronic Systems Integration Inc. · NSN 5999-00-239-3447 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-00-239-3447 — this item is cataloged by the U.S. Government under National Stock Number 5999-00-239-3447. Primary manufacturer part number: 42321991.
Features
  • Shielding Gasket,electronic — FSC 5999
  • Style Designator: CIRCULAR
  • Material: UNABLE TO DECODE
  • Bolt Hole Quantity: 6
  • Material: UNABLE TO DECODE
  • Cross-Sectional Height: 0.020 INCHES NOMINAL IN
  • Material Document and Classification: UNABLE TO DECODE
  • Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET
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 5999-00-239-3447, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN5999-00-239-3447
Primary Part Number42321991
Item NameShielding Gasket,electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc.
StatusACTIVE
Style DesignatorCIRCULAR
MaterialUNABLE TO DECODE
Bolt Hole Quantity6
MaterialUNABLE TO DECODE
Cross-Sectional Height0.020 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
Environmental Protection Material LocationTHROUGHOUT RF SHIELDING GASKET
Cross-Sectional Shape StyleEMI
Temp Rating-62.0 CELSIUS AND 260.0 CELSIUS DEGC
Outside Diameter2.906 INCHES NOMINAL IN
Aperture Diameter2.000 INCHES NOMINAL IN
Hole Diameter0.144 INCHES NOMINAL IN
Bolt Circle Diameter2.453 INCHES NOMINAL IN
Style DesignatorCIRCULAR
MaterialUNABLE TO DECODE
Bolt Hole Quantity6
MaterialUNABLE TO DECODE
Cross-Sectional Height0.020 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
Environmental Protection Material LocationTHROUGHOUT RF SHIELDING GASKET
Cross-Sectional Shape StyleEMI
Temp Rating-62.0 CELSIUS AND 260.0 CELSIUS DEGC
Outside Diameter2.906 INCHES NOMINAL IN
Aperture Diameter2.000 INCHES NOMINAL IN
Hole Diameter0.144 INCHES NOMINAL IN
Bolt Circle Diameter2.453 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
Shielding Gasket,electronic
5996-00-630-5651102475 INTERCHANGEABLE
Amplifier,intermediate Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5999-00-767-054142-60000 INTERCHANGEABLE
Wire Mesh,knitted
Technical Wire Products, Llc Dba Twp
5330-00-871-9485102-475 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
3110-00-912-9200 INTERCHANGEABLE
Bearing,ball,annular
6930-01-050-8317 INTERCHANGEABLE
Flight Simulator Assembly
5999-01-168-6696 INTERCHANGEABLE
Shielding Gasket,electronic
5340-01-354-2452102475PS INTERCHANGEABLE
Lever,manual Control
Seats Inc Div Seats Incorporated
5999-01-469-09966573971 INTERCHANGEABLE
Shielding Gasket,electronic
Naval Sea Systems Command
5998-01-528-585033375-90015-1 INTERCHANGEABLE
Circuit Card Assembly
Textron Systems Corporation Dba Textron Systems Corp
Cross-Reference Index
Part NumberManufacturer
42321991 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. (USA)
6405898-1 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA)
33375-90015-1 Technical Wire Products, Llc Dba Twp (USA)
102475 Aimtron Systems, Llc (USA)
42-60000 Technical Wire Products, Llc Dba Twp (USA)
Related Parts
5999-00-162-4025SUCCESSOR
SHIELDING GASKET,ELECTRONIC
5996-00-630-5651INTERCHANGEABLE
AMPLIFIER,INTERMEDIATE FREQUENCY
102475
5999-00-767-0541INTERCHANGEABLE
WIRE MESH,KNITTED
42-60000
5330-00-871-9485INTERCHANGEABLE
GASKET
102-475
3110-00-912-9200INTERCHANGEABLE
BEARING,BALL,ANNULAR
6930-01-050-8317INTERCHANGEABLE
FLIGHT SIMULATOR ASSEMBLY
5999-01-168-6696INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
5340-01-354-2452INTERCHANGEABLE
LEVER,MANUAL CONTROL
102475PS
5999-01-469-0996INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
6573971
5998-01-528-5850INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
33375-90015-1
7530-01-610-2422INTERCHANGEABLE
PAPER,COPYING,XEROGRAPHIC PROCES
10247-5
9905-01-633-9299INTERCHANGEABLE
PLATE,INSTRUCTION
102475

Frequently Asked Questions

What is NSN 5999-00-239-3447?

NSN 5999-00-239-3447 is a Shielding Gasket,electronic, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-00-239-3447?

NSN 5999-00-239-3447 has 5 cross-referenced part numbers: 42321991 (Bae Systems Information and Electronic Systems Integration Inc.), 6405898-1 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 33375-90015-1 (Technical Wire Products, Llc Dba Twp), 102475 (Aimtron Systems, Llc), 42-60000 (Technical Wire Products, Llc Dba Twp).

What NSN replaces 5999-00-239-3447?

There are 12 known substitutes for 5999-00-239-3447: 5999-00-162-4025, 5996-00-630-5651, 5999-00-767-0541 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42321991?

Key specifications for 42321991: Style Designator: CIRCULAR; Material: UNABLE TO DECODE; Bolt Hole Quantity: 6; Material: UNABLE TO DECODE. 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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