PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

778-6Gasket

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5330-00-037-8846 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-037-8846 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-037-8846. Primary manufacturer part number: 778-6.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Aperture Diameter: 6.500 INCHES NOMINAL IN
  • Hole Diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Bolt Circle Diameter: 7.250 INCHES NOMINAL IN
  • Outside Diameter: 7.875 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket, cataloged under National Stock Number 5330-00-037-8846, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 6 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-037-8846
Primary Part Number778-6
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Aperture Diameter6.500 INCHES NOMINAL IN
Hole Diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Bolt Circle Diameter7.250 INCHES NOMINAL IN
Outside Diameter7.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3040-00-076-0468 INTERCHANGEABLE
Pawl,levelwind
4810-00-397-5612 INTERCHANGEABLE
Sleeve and Slide,directional Con
5935-00-957-34337786 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5935-01-097-33577786 INTERCHANGEABLE
Connector,plug,electrical
Crown Audio, Inc. Dba Crown International
3010-01-180-97977786 INTERCHANGEABLE
Disk,clutch,nonvehicular
Nexen Group Inc.
4310-01-711-757177-86 INTERCHANGEABLE
Filter Element,intake Air Cleane
Rix Industries
Cross-Reference Index
Part NumberManufacturer
778-6 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
778-6 Donallco Inc (USA)
Related Parts
3040-00-076-0468INTERCHANGEABLE
PAWL,LEVELWIND
4810-00-397-5612INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
5935-00-957-3433INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7786
5935-01-097-3357INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
7786
3010-01-180-9797INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
7786
4310-01-711-7571INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
77-86

Frequently Asked Questions

What is NSN 5330-00-037-8846?

NSN 5330-00-037-8846 is a Gasket, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-037-8846?

NSN 5330-00-037-8846 has 2 cross-referenced part numbers: 778-6 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 778-6 (Donallco Inc).

What NSN replaces 5330-00-037-8846?

There are 6 known substitutes for 5330-00-037-8846: 3040-00-076-0468, 4810-00-397-5612, 5935-00-957-3433 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 778-6?

Key specifications for 778-6: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Aperture Diameter: 6.500 INCHES NOMINAL IN; Hole Diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com