PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568B-032O-Ring

Sae International Dba Sae International · NSN 5331-00-903-3656 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-903-3656 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-903-3656. Primary manufacturer part number: AS568B-032.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 1.854 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN
  • Outside Diameter: 2.004 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-903-3656, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-903-3656
Primary Part NumberAS568B-032
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Center Hole Diameter1.854 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN
Outside Diameter2.004 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-061-4914346676-1 INTERCHANGEABLE
O-Ring
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
8497-179-81 Cecom Lr Center (USA)
AS568B-032 PRIMARY Sae International Dba Sae International (USA)
AS568B-032 Society of Automotive Engineers Inc (USA)
Related Parts
5331-01-061-4914INTERCHANGEABLE
O-RING
346676-1

Frequently Asked Questions

What is NSN 5331-00-903-3656?

NSN 5331-00-903-3656 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 5331-00-903-3656?

NSN 5331-00-903-3656 has 3 cross-referenced part numbers: 8497-179-81 (Cecom Lr Center), AS568B-032 (Sae International Dba Sae International), AS568B-032 (Society of Automotive Engineers Inc).

What NSN replaces 5331-00-903-3656?

There is 1 known substitute for 5331-00-903-3656: 5331-01-061-4914. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568B-032?

Key specifications for AS568B-032: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 1.854 INCHES MINIMUM AND 1.874 INCHES MAXIMUM IN; Outside Diameter: 2.004 INCHES NOMINAL 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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