PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3581-904O-Ring

Sae International Dba Sae International · NSN 5331-01-677-3665 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-677-3665 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-677-3665. Primary manufacturer part number: AS3581-904.
Features
  • O-Ring — FSC 5331
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
  • 4 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-677-3665, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-677-3665
Primary Part NumberAS3581-904
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-167-5172AS3581-904 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-029-2344 INTERCHANGEABLE
O-Ring
5331-01-096-8824 INTERCHANGEABLE
O-Ring
5331-01-521-3407 INTERCHANGEABLE
O-Ring
5330-01-721-1504 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
AS3581-904 Sae International Dba Sae International (USA)
8599519 ITEM 5D7 Naval Inventory Control Point Mechanicsburg (USA)
8599519 ITEM 5 Naval Sea Systems Command (USA)
AS3581-904D7 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
5331-00-167-5172INTERCHANGEABLE
O-RING
AS3581-904
5331-01-029-2344INTERCHANGEABLE
O-RING
5331-01-096-8824INTERCHANGEABLE
O-RING
5331-01-521-3407INTERCHANGEABLE
O-RING
5330-01-721-1504INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-01-677-3665?

NSN 5331-01-677-3665 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 5331-01-677-3665?

NSN 5331-01-677-3665 has 4 cross-referenced part numbers: AS3581-904 (Sae International Dba Sae International), 8599519 ITEM 5D7 (Naval Inventory Control Point Mechanicsburg), 8599519 ITEM 5 (Naval Sea Systems Command), AS3581-904D7 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5331-01-677-3665?

There are 5 known substitutes for 5331-01-677-3665: 5331-00-167-5172, 5331-01-029-2344, 5331-01-096-8824 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3581-904?

Key specifications for AS3581-904: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES. 2 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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