PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568B-016O-Ring

Sae International Dba Sae International · NSN 5331-00-458-8473 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-458-8473 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-458-8473. Primary manufacturer part number: AS568B-016.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
  • Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Outside Diameter: 0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
  • 7 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Isobutylene-Isoprene Class Iir construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-458-8473, 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 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-458-8473
Primary Part NumberAS568B-016
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Center Hole Diameter0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
MaterialRUBBER ISOBUTYLENE-ISOPRENE CLASS IIR
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Outside Diameter0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5331-01-115-8225 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
2-016-B612-70 Valley Seal Company Dba Valley Seal Co (USA)
AS568B-016 PRIMARY Sae International Dba Sae International (USA)
2-16B318-7 Parker-Hannifin Corp Div O-Ring Division (USA)
2-016 B612-7 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568B-016 Society of Automotive Engineers Inc (USA)
504132-16 Brooks Automation, Inc. Div Cti Cryogenics (USA)
B0612-70 2-016 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5331-01-115-8225INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-458-8473?

NSN 5331-00-458-8473 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-458-8473?

NSN 5331-00-458-8473 has 7 cross-referenced part numbers: 2-016-B612-70 (Valley Seal Company Dba Valley Seal Co), AS568B-016 (Sae International Dba Sae International), 2-16B318-7 (Parker-Hannifin Corp Div O-Ring Division), 2-016 B612-7 (Parker-Hannifin Corp Div O-Ring Division), AS568B-016 (Society of Automotive Engineers Inc) and 2 more.

What NSN replaces 5331-00-458-8473?

There is 1 known substitute for 5331-00-458-8473: 5331-01-115-8225. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568B-016?

Key specifications for AS568B-016: Center Hole Diameter: 0.605 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 0.739 INCHES MINIMUM AND 0.769 INCHES MAXIMUM IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-458-8473 still in active supply?

NSN 5331-00-458-8473 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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