PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3581-904O-Ring

Sae International Dba Sae International · NSN 5331-01-029-2344 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-029-2344 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-029-2344. Primary manufacturer part number: AS3581-904.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
  • Criticality Code Justification: ZZZY
  • Outside Diameter: 0.495 INCHES NOMINAL IN
  • Material Document and Classification: MIL-G-23652,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
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 5331-01-029-2344, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-029-2344
Primary Part NumberAS3581-904
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialRUBBER FLUOROCARBON CLASS FPM
Cross-Sectional Height0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN
Criticality Code JustificationZZZY
Outside Diameter0.495 INCHES NOMINAL IN
Material Document and ClassificationMIL-G-23652,TY 2 MIL SPEC SINGLE MATERIAL RESPONSE
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Center Hole Diameter0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5331-00-167-5172AS3581-904 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-821-2368AS568-904 MIL-G-23652 TYPE 2 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-096-8824 INTERCHANGEABLE
O-Ring
5331-01-521-3407 INTERCHANGEABLE
O-Ring
5331-01-528-6410 INTERCHANGEABLE
O-Ring
5331-01-677-3665 INTERCHANGEABLE
O-Ring
5330-01-721-1504 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
AS3581-904 Sae International Dba Sae International (USA)
SAE-AS3581 Sae International Dba Sae International (USA)
ARP568-904MILG23652 TY2 Sae International Dba Sae International (USA)
A6689-904-212 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
SAE-AS3581CP Naval Inventory Control Point Mechanicsburg (USA)
AS3581-904CP Naval Inventory Control Point Mechanicsburg (USA)
ARP568-904MILG23652 TY2CP Naval Inventory Control Point Mechanicsburg (USA)
A6689-904-212CP Naval Inventory Control Point Mechanicsburg (USA)
ARP568-904MILG23652 TY2 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-167-5172INTERCHANGEABLE
O-RING
AS3581-904
5331-00-821-2368INTERCHANGEABLE
O-RING
AS568-904 MIL-G-23652 TYPE 2
5331-01-096-8824INTERCHANGEABLE
O-RING
5331-01-521-3407INTERCHANGEABLE
O-RING
5331-01-528-6410INTERCHANGEABLE
O-RING
5331-01-677-3665INTERCHANGEABLE
O-RING
5330-01-721-1504INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-01-029-2344?

NSN 5331-01-029-2344 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 5331-01-029-2344?

NSN 5331-01-029-2344 has 9 cross-referenced part numbers: AS3581-904 (Sae International Dba Sae International), SAE-AS3581 (Sae International Dba Sae International), ARP568-904MILG23652 TY2 (Sae International Dba Sae International), A6689-904-212 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), SAE-AS3581CP (Naval Inventory Control Point Mechanicsburg) and 4 more.

What NSN replaces 5331-01-029-2344?

There are 7 known substitutes for 5331-01-029-2344: 5331-00-167-5172, 5331-00-821-2368, 5331-01-096-8824 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3581-904?

Key specifications for AS3581-904: Material: RUBBER FLUOROCARBON CLASS FPM; Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Outside Diameter: 0.495 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-029-2344 still in active supply?

NSN 5331-01-029-2344 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.
PartsTable Design LLC · partstable.com