PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2921021-2Shielding Gasket,electronic

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5999-01-057-8417 · FSC 5999 · No Item Name Available
Verified by PartsTable
NSN 5999-01-057-8417 — this item is cataloged by the U.S. Government under National Stock Number 5999-01-057-8417. Primary manufacturer part number: 2921021-2.
Features
  • Shielding Gasket,electronic — FSC 5999
  • Material Document and Classification: UNABLE TO DECODE
  • Minor Height: 0.188 INCHES NOMINAL IN
  • Bolt Hole Quantity: 5
  • Material: UNABLE TO DECODE
  • Cross-Sectional Height: 0.188 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: MESH AND COMPOSITION
  • 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 5999-01-057-8417, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5999-01-057-8417
Primary Part Number2921021-2
Item NameShielding Gasket,electronic
FSC / FSG5999 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Material Document and ClassificationUNABLE TO DECODE
Minor Height0.188 INCHES NOMINAL IN
Bolt Hole Quantity5
MaterialUNABLE TO DECODE
Cross-Sectional Height0.188 INCHES NOMINAL IN
Cross-Sectional Shape StyleMESH AND COMPOSITION
Material Document and ClassificationUNABLE TO DECODE
Hole Diameter0.375 INCHES NOMINAL IN
MaterialUNABLE TO DECODE
Environmental Protection Material LocationALONG ONE SIDE OF LENGTH
Minor Width0.125 INCHES NOMINAL IN
Material Document and ClassificationUNABLE TO DECODE
Minor Height0.188 INCHES NOMINAL IN
Bolt Hole Quantity5
MaterialUNABLE TO DECODE
Cross-Sectional Height0.188 INCHES NOMINAL IN
Cross-Sectional Shape StyleMESH AND COMPOSITION
Material Document and ClassificationUNABLE TO DECODE
Hole Diameter0.375 INCHES NOMINAL IN
MaterialUNABLE TO DECODE
Environmental Protection Material LocationALONG ONE SIDE OF LENGTH
Minor Width0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 2
5355-01-209-77114400202 INTERCHANGEABLE
Knob
Univex Corporation Div Univex Corportation
3010-01-222-2415H440-0202 INTERCHANGEABLE
Coupling,shaft,flexible
Siemens Energy, Inc.
Cross-Reference Index
Part NumberManufacturer
2921021-2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
44-00202 Technical Wire Products, Llc Dba Twp (USA)
Related Parts
5355-01-209-7711INTERCHANGEABLE
KNOB
4400202
3010-01-222-2415INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
H440-0202

Frequently Asked Questions

What is NSN 5999-01-057-8417?

NSN 5999-01-057-8417 is a Shielding Gasket,electronic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5999 (No Item Name Available). Status: active.

What are the part numbers for NSN 5999-01-057-8417?

NSN 5999-01-057-8417 has 2 cross-referenced part numbers: 2921021-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 44-00202 (Technical Wire Products, Llc Dba Twp).

What NSN replaces 5999-01-057-8417?

There are 2 known substitutes for 5999-01-057-8417: 5355-01-209-7711, 3010-01-222-2415. Verify interchangeability with system specifications before substitution.

What are the specifications of 2921021-2?

Key specifications for 2921021-2: Material Document and Classification: UNABLE TO DECODE; Minor Height: 0.188 INCHES NOMINAL IN; Bolt Hole Quantity: 5; 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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