PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS1601-212O-Ring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5331-01-349-0663 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-349-0663 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-349-0663. Primary manufacturer part number: NAS1601-212.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM
  • 3 verified cross-references
  • Primary manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Ethylene-Propylene Class Epm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-349-0663, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-01-349-0663
Primary Part NumberNAS1601-212
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Center Hole Diameter0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER ETHYLENE-PROPYLENE CLASS EPM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-514-1868 INTERCHANGEABLE
Packing,preformed
5331-00-890-3411NAS1611-212 INTERCHANGEABLE
O-Ring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-01-124-2063192915 INTERCHANGEABLE
Packing,preformed
Eastman Kodak Co
5331-01-518-8462 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
NAS1601 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NAS1601-212 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
2-212 E-515-80 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5330-00-514-1868INTERCHANGEABLE
PACKING,PREFORMED
5331-00-890-3411INTERCHANGEABLE
O-RING
NAS1611-212
5330-01-124-2063INTERCHANGEABLE
PACKING,PREFORMED
192915
5331-01-518-8462INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-349-0663?

NSN 5331-01-349-0663 is a O-Ring, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-01-349-0663?

NSN 5331-01-349-0663 has 3 cross-referenced part numbers: NAS1601 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NAS1601-212 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 2-212 E-515-80 (Parker-Hannifin Corp Div O-Ring Division).

What NSN replaces 5331-01-349-0663?

There are 4 known substitutes for 5331-01-349-0663: 5330-00-514-1868, 5331-00-890-3411, 5330-01-124-2063 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS1601-212?

Key specifications for NAS1601-212: Center Hole Diameter: 0.849 INCHES MINIMUM AND 0.869 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-01-349-0663 still in active supply?

NSN 5331-01-349-0663 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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