PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-020O-Ring

Sae International Dba Sae International · NSN 5331-00-166-1001 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-166-1001 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-166-1001. Primary manufacturer part number: AS3209-020.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.855 INCHES MINIMUM AND 0.873 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Elongation Percentage: 125 MAXIMUM
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • 50 verified cross-references
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 5331-00-166-1001, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 26 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-166-1001
Primary Part NumberAS3209-020
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Outside Diameter0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
Center Hole Diameter0.855 INCHES MINIMUM AND 0.873 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Elongation Percentage125 MAXIMUM
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5331-00-111-07341433-643376-3 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Div Gas Turbine Fuel Systems
5331-00-166-0993J221P017 INTERCHANGEABLE
O-Ring
General Electric Company
5331-00-166-0996 INTERCHANGEABLE
O-Ring
5331-00-166-1060AS3209-112 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-167-5128AS3209-147 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5365-00-726-4161AS5169D02L INTERCHANGEABLE
Plug,machine Thread
Sae International Dba Sae International
5330-00-882-9117 INTERCHANGEABLE
Packing,preformed
5330-00-934-9883NAS1593-020 INTERCHANGEABLE
Packing,preformed
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-00-947-2287576C384P20 INTERCHANGEABLE
Packing,preformed
General Electric Company
5355-01-044-870458053-1 INTERCHANGEABLE
Knob
Orbit International Corp. Div Orbit Instrument
Cross-Reference Index
Part NumberManufacturer
M83248/1-020 Seals & Packings, Llc (USA)
3634-96-11-90 Zf Industrieantriebe Witten Gmbh (DEU)
AS3209-020 Leonardo Spa Helicopters Division - Production Site (ITA)
PL-D200660E001 REV J IT NO 22 Jered Llc (USA)
10117056 Nimikkeistokeskus Ncb Finland (FIN)
AS3085-020AMS 7280 Sae International Dba Sae International (USA)
PL-D200661E001 REV J IT NO 22 Jered Llc (USA)
649-393-020-0 Cfm International Inc Dba Cfm International (USA)
2-020V747-75 Zf Industrieantriebe Witten Gmbh (DEU)
J221P020 General Electric Company (USA)
M83485/1-020 Zf Industrieantriebe Witten Gmbh (DEU)
82-20020-07 Zf Industrieantriebe Witten Gmbh (DEU)
501-1819 PC. NO. 9 Portland Valve Llc (USA)
XPG0261500035 Rolls-Royce Solutions Gmbh (DEU)
020-17107A Parker Hannifin Corporation Div O-Ring Division (USA)
S9413-020 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
2-20-77-545 Parker-Hannifin Corp Div O-Ring Division (USA)
01011609 Zf Industrieantriebe Witten Gmbh (DEU)
607948.001 SEQ 272 Flowserve Us Company Div Flow Control Division (USA)
AS3209-020 PRIMARY Sae International Dba Sae International (USA)
Related Parts
5331-00-111-0734INTERCHANGEABLE
O-RING
1433-643376-3
5331-00-166-0993INTERCHANGEABLE
O-RING
J221P017
5331-00-166-0996INTERCHANGEABLE
O-RING
5331-00-166-1060INTERCHANGEABLE
O-RING
AS3209-112
5331-00-167-5128INTERCHANGEABLE
O-RING
AS3209-147
5365-00-726-4161INTERCHANGEABLE
PLUG,MACHINE THREAD
AS5169D02L
5330-00-882-9117INTERCHANGEABLE
PACKING,PREFORMED
5330-00-934-9883INTERCHANGEABLE
PACKING,PREFORMED
NAS1593-020
5330-00-947-2287INTERCHANGEABLE
PACKING,PREFORMED
576C384P20
5355-01-044-8704INTERCHANGEABLE
KNOB
58053-1
5331-01-076-5705INTERCHANGEABLE
O-RING
5977-01-193-7527INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
385952

Frequently Asked Questions

What is NSN 5331-00-166-1001?

NSN 5331-00-166-1001 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 5331-00-166-1001?

NSN 5331-00-166-1001 has 50 cross-referenced part numbers: M83248/1-020 (Seals & Packings, Llc), 3634-96-11-90 (Zf Industrieantriebe Witten Gmbh), AS3209-020 (Leonardo Spa Helicopters Division - Production Site), PL-D200660E001 REV J IT NO 22 (Jered Llc), 10117056 (Nimikkeistokeskus Ncb Finland) and 45 more.

What NSN replaces 5331-00-166-1001?

There are 12 known substitutes for 5331-00-166-1001: 5331-00-111-0734, 5331-00-166-0993, 5331-00-166-0996 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-020?

Key specifications for AS3209-020: Outside Diameter: 0.989 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN; Center Hole Diameter: 0.855 INCHES MINIMUM AND 0.873 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM; Elongation Percentage: 125 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-166-1001 still in active supply?

NSN 5331-00-166-1001 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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