PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73818Gasket

Southern Coaches, Inc · NSN 5330-00-291-7427 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-7427 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-7427. Primary manufacturer part number: 73818.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Aperture Diameter: 2.188 INCHES NOMINAL IN
  • Hole Diameter: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Bolt Circle Diameter: 2.812 INCHES NOMINAL IN
  • Outside Corner Radius: 0.438 INCHES NOMINAL IN
  • Side Radius From Gasket Center: 1.344 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-291-7427, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southern Coaches, Inc. Government technical data includes 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-291-7427
Primary Part Number73818
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSouthern Coaches, Inc
StatusACTIVE
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Aperture Diameter2.188 INCHES NOMINAL IN
Hole Diameter0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Bolt Circle Diameter2.812 INCHES NOMINAL IN
Outside Corner Radius0.438 INCHES NOMINAL IN
Side Radius From Gasket Center1.344 INCHES NOMINAL IN
Material Document and ClassificationMIL-G-12803,NO. G-1111-1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialRUBBER SYNTHETIC OVERALL
Style DesignatorNON-CIRCULAR
Bolt Hole Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-173-361073818A INTERCHANGEABLE
Gasket
Dresser, Llc
5330-00-179-0968 INTERCHANGEABLE
Seal,plain Encased
5315-00-271-4095 INTERCHANGEABLE
Key,machine
5330-00-808-599373818 INTERCHANGEABLE
Gasket
Textron Lycoming Inc Williamsport Plant
Cross-Reference Index
Part NumberManufacturer
73818 PRIMARY Southern Coaches, Inc (USA)
Related Parts
5330-00-173-3610INTERCHANGEABLE
GASKET
73818A
5330-00-179-0968INTERCHANGEABLE
SEAL,PLAIN ENCASED
5315-00-271-4095INTERCHANGEABLE
KEY,MACHINE
5330-00-808-5993INTERCHANGEABLE
GASKET
73818

Frequently Asked Questions

What is NSN 5330-00-291-7427?

NSN 5330-00-291-7427 is a Gasket, manufactured by Southern Coaches, Inc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-291-7427?

NSN 5330-00-291-7427 has 1 cross-referenced part number: 73818 (Southern Coaches, Inc).

What NSN replaces 5330-00-291-7427?

There are 4 known substitutes for 5330-00-291-7427: 5330-00-173-3610, 5330-00-179-0968, 5315-00-271-4095 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73818?

Key specifications for 73818: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Aperture Diameter: 2.188 INCHES NOMINAL IN; Hole Diameter: 0.469 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Overall Width: 3.688 INCHES NOMINAL IN. 12 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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