PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A678Gasket

Champion Aerospace Llc · NSN 5330-01-227-7725 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-227-7725 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-227-7725. Primary manufacturer part number: A678.
Features
  • Gasket — FSC 5330
  • Outside Diameter: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Aperture Diameter: 0.712 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN
  • Cross-Sectional Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Hardness Rating: 88.0 VICKERS MAXIMUM OVERALL
  • Surface Treatment: ZINC OVERALL
  • 3 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-01-227-7725, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Champion Aerospace Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-227-7725
Primary Part NumberA678
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerChampion Aerospace Llc
StatusACTIVE
Outside Diameter0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Aperture Diameter0.712 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN
Cross-Sectional Thickness0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Hardness Rating88.0 VICKERS MAXIMUM OVERALL
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3020-00-618-0086 INTERCHANGEABLE
Gear,spur
5120-01-057-4581A6-7-8 INTERCHANGEABLE
Positioner,crimping Tool
Daniels Manufacturing Corporation
4720-01-061-4953A628-10 INTERCHANGEABLE
Tubing,nonmetallic
Clark-Reliance Llc Dba Jacoby-Tarbox
Cross-Reference Index
Part NumberManufacturer
A678 PRIMARY Champion Aerospace Llc (USA)
5330PL1673798 Jednolity Indeks Materialowy - Uniform Material Index (POL)
362-509-9003 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
Related Parts
3020-00-618-0086INTERCHANGEABLE
GEAR,SPUR
5120-01-057-4581INTERCHANGEABLE
POSITIONER,CRIMPING TOOL
A6-7-8
4720-01-061-4953INTERCHANGEABLE
TUBING,NONMETALLIC
A628-10

Frequently Asked Questions

What is NSN 5330-01-227-7725?

NSN 5330-01-227-7725 is a Gasket, manufactured by Champion Aerospace Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-227-7725?

NSN 5330-01-227-7725 has 3 cross-referenced part numbers: A678 (Champion Aerospace Llc), 5330PL1673798 (Jednolity Indeks Materialowy - Uniform Material Index), 362-509-9003 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix).

What NSN replaces 5330-01-227-7725?

There are 3 known substitutes for 5330-01-227-7725: 3020-00-618-0086, 5120-01-057-4581, 4720-01-061-4953. Verify interchangeability with system specifications before substitution.

What are the specifications of A678?

Key specifications for A678: Outside Diameter: 0.870 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN; Material: STEEL OVERALL; Aperture Diameter: 0.712 INCHES MINIMUM AND 0.718 INCHES MAXIMUM IN; Cross-Sectional Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN. 6 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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