PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A328O-Ring

John G Papailias Co Inc Dba J G Papailias · NSN 5331-01-406-4650 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-406-4650 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-406-4650. Primary manufacturer part number: A328.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: John G Papailias Co Inc Dba J G Papailias
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-406-4650, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is John G Papailias Co Inc Dba J G Papailias. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersJohn G Papailias Co Inc Dba J G Papailias (CAGE 1Z740)
Technical Specifications
ParameterValue
NSN5331-01-406-4650
Primary Part NumberA328
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerJohn G Papailias Co Inc Dba J G Papailias
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5999-00-221-8601 INTERCHANGEABLE
Cap,electrical
5915-00-471-3696 INTERCHANGEABLE
Filter Assembly,electrical
3040-00-936-2171A3-28 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
Cross-Reference Index
Part NumberManufacturer
330 SYM 17 John G Papailias Co Inc Dba J G Papailias (USA)
A328 PRIMARY John G Papailias Co Inc Dba J G Papailias (USA)
Related Parts
5999-00-221-8601INTERCHANGEABLE
CAP,ELECTRICAL
5915-00-471-3696INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
3040-00-936-2171INTERCHANGEABLE
SHAFT,STRAIGHT
A3-28

Frequently Asked Questions

What is NSN 5331-01-406-4650?

NSN 5331-01-406-4650 is a O-Ring, manufactured by John G Papailias Co Inc Dba J G Papailias, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-406-4650?

NSN 5331-01-406-4650 has 2 cross-referenced part numbers: 330 SYM 17 (John G Papailias Co Inc Dba J G Papailias), A328 (John G Papailias Co Inc Dba J G Papailias).

What NSN replaces 5331-01-406-4650?

There are 3 known substitutes for 5331-01-406-4650: 5999-00-221-8601, 5915-00-471-3696, 3040-00-936-2171. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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