PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-014/AMS3218CO-Ring

Sae International Dba Sae International · NSN 5331-00-831-6639 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-831-6639 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-831-6639. Primary manufacturer part number: AS568-014/AMS3218C.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Center Hole Diameter: 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
  • Outside Diameter: 0.629 INCHES NOMINAL IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 13 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-831-6639, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 4 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
NSN5331-00-831-6639
Primary Part NumberAS568-014/AMS3218C
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
MaterialRUBBER FLUOROCARBON CLASS FPM
Center Hole Diameter0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
Outside Diameter0.629 INCHES NOMINAL IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-235-5262 INTERCHANGEABLE
O-Ring
5331-01-267-9176000014EE INTERCHANGEABLE
O-Ring
Admiral Valve Llc Dba Cpv Manufacturing
5331-01-542-66987550478-PLC11401-011 INTERCHANGEABLE
O-Ring
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
000014EE Zf Industrieantriebe Witten Gmbh (DEU)
AS568-014MILG23 652TY2 Zf Industrieantriebe Witten Gmbh (DEU)
2996473-4 Zf Industrieantriebe Witten Gmbh (DEU)
ARP568-014MILG23652TYPE2 Society of Automotive Engineers Inc (USA)
AS568-014/AMS3218C PRIMARY Sae International Dba Sae International (USA)
111000.014 Zf Industrieantriebe Witten Gmbh (DEU)
ARP568-014MILG2 3652TY11 Zf Industrieantriebe Witten Gmbh (DEU)
111000-014 Pall Aeropower Corporation (USA)
2-014V587-9 Zf Industrieantriebe Witten Gmbh (DEU)
58-014-15 Zf Industrieantriebe Witten Gmbh (DEU)
4400596-0140 Zf Industrieantriebe Witten Gmbh (DEU)
AS568-014 MIL-G-23652 TYPE 2 Society of Automotive Engineers Inc (USA)
AS568-014/AMS3218C Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-235-5262INTERCHANGEABLE
O-RING
5331-01-267-9176INTERCHANGEABLE
O-RING
000014EE
5331-01-542-6698INTERCHANGEABLE
O-RING
7550478-PLC11401-011

Frequently Asked Questions

What is NSN 5331-00-831-6639?

NSN 5331-00-831-6639 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-831-6639?

NSN 5331-00-831-6639 has 13 cross-referenced part numbers: 000014EE (Zf Industrieantriebe Witten Gmbh), AS568-014MILG23 652TY2 (Zf Industrieantriebe Witten Gmbh), 2996473-4 (Zf Industrieantriebe Witten Gmbh), ARP568-014MILG23652TYPE2 (Society of Automotive Engineers Inc), AS568-014/AMS3218C (Sae International Dba Sae International) and 8 more.

What NSN replaces 5331-00-831-6639?

There are 3 known substitutes for 5331-00-831-6639: 5331-00-235-5262, 5331-01-267-9176, 5331-01-542-6698. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-014/AMS3218C?

Key specifications for AS568-014/AMS3218C: Material: RUBBER FLUOROCARBON CLASS FPM; Center Hole Diameter: 0.484 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN; Outside Diameter: 0.629 INCHES NOMINAL IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 4 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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