PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1027CGasket

Textron Lycoming Inc Williamsport Plant · NSN 5330-00-171-4132 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-171-4132 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-171-4132. Primary manufacturer part number: 1027C.
Features
  • Gasket — FSC 5330
  • Bolt Hole Quantity: 6
  • Hole Diameter: 0.410 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Aperture Diameter: 4.190 INCHES NOMINAL IN
  • Outside Diameter: 6.000 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.020 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Style Designator: CIRCULAR
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Asbestos and Rubber Synthetic and Paper and Glue Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-171-4132, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-171-4132
Primary Part Number1027C
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusCANCELLED
Bolt Hole Quantity6
Hole Diameter0.410 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Aperture Diameter4.190 INCHES NOMINAL IN
Outside Diameter6.000 INCHES NOMINAL IN
Cross-Sectional Thickness0.020 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Style DesignatorCIRCULAR
Bolt Circle Diameter4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
MaterialASBESTOS AND RUBBER SYNTHETIC AND PAPER AND GLUE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5120-00-277-9517 INTERCHANGEABLE
Wrench,open End
5330-00-424-3445 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
1027C PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
5120-00-277-9517INTERCHANGEABLE
WRENCH,OPEN END
5330-00-424-3445INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 5330-00-171-4132?

NSN 5330-00-171-4132 is a Gasket, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-171-4132?

NSN 5330-00-171-4132 has 1 cross-referenced part number: 1027C (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 5330-00-171-4132?

There are 2 known substitutes for 5330-00-171-4132: 5120-00-277-9517, 5330-00-424-3445. Verify interchangeability with system specifications before substitution.

What are the specifications of 1027C?

Key specifications for 1027C: Bolt Hole Quantity: 6; Hole Diameter: 0.410 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Aperture Diameter: 4.190 INCHES NOMINAL IN; Outside Diameter: 6.000 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-171-4132 still in active supply?

NSN 5330-00-171-4132 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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