PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-133O-Ring

Sae International Dba Sae International · NSN 5331-00-167-5121 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-167-5121 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-167-5121. Primary manufacturer part number: AS3209-133.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Elongation Percentage: 125 MAXIMUM
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Outside Diameter: 1.984 INCHES MINIMUM AND 2.026 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.784 INCHES MINIMUM AND 1.814 INCHES MAXIMUM IN
  • 44 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 5331-00-167-5121, 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 44 commercial cross-references from 26 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-167-5121
Primary Part NumberAS3209-133
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
MaterialRUBBER FLUOROCARBON CLASS FPM
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Elongation Percentage125 MAXIMUM
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Outside Diameter1.984 INCHES MINIMUM AND 2.026 INCHES MAXIMUM IN
Center Hole Diameter1.784 INCHES MINIMUM AND 1.814 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5331-00-167-51182-130V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-106-9570 INTERCHANGEABLE
O-Ring
5331-01-463-8776AS3209-133 AN ALTERNATE ITEM INTERCHANGEABLE
Packing,preformed,a
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
5331PL2228009 Jednolity Indeks Materialowy - Uniform Material Index (POL)
AS3209-133 Society of Automotive Engineers Inc (USA)
V3D10423 ITEM 18 Vacco Industries (USA)
SAE-AMS7276 Sae International Dba Sae International (USA)
69490D133 Zf Industrieantriebe Witten Gmbh (DEU)
69-PB133-NIT Rexnord Industries, Llc Div Aerospace Solutions Downers Grove (USA)
GOV-060-024 Lubriquip Inc Dba Lubriquip, Inc., a Unit of Idex (USA)
2-133V1164-75 Parker-Hannifin Corp Div O-Ring Division (USA)
MILR83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
V3D10424 ITEM 15 Vacco Industries (USA)
NAS1593-133 Industrial Power Units Ltd (GBR)
NAS1593-133 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
M83248/1-133 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS3209-133 Leonardo Spa Helicopters Division - Production Site (ITA)
431385 ITEM 20 Donaldson Company, Inc. (USA)
2-133C0MPV747 Zf Industrieantriebe Witten Gmbh (DEU)
M83248/1-133 Leonardo Spa Helicopters Division - Production Site (ITA)
028-07407K Zf Industrieantriebe Witten Gmbh (DEU)
S9413-133 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
10510778 General Dynamics Land Systems Canadacorp (CAN)
Related Parts
5331-00-167-5118INTERCHANGEABLE
O-RING
2-130V0747-75
5331-01-106-9570INTERCHANGEABLE
O-RING
5331-01-463-8776INTERCHANGEABLE
PACKING,PREFORMED,A
AS3209-133 AN ALTERNATE ITEM

Frequently Asked Questions

What is NSN 5331-00-167-5121?

NSN 5331-00-167-5121 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 5331-00-167-5121?

NSN 5331-00-167-5121 has 44 cross-referenced part numbers: 5331PL2228009 (Jednolity Indeks Materialowy - Uniform Material Index), AS3209-133 (Society of Automotive Engineers Inc), V3D10423 ITEM 18 (Vacco Industries), SAE-AMS7276 (Sae International Dba Sae International), 69490D133 (Zf Industrieantriebe Witten Gmbh) and 39 more.

What NSN replaces 5331-00-167-5121?

There are 3 known substitutes for 5331-00-167-5121: 5331-00-167-5118, 5331-01-106-9570, 5331-01-463-8776. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-133?

Key specifications for AS3209-133: Material: RUBBER FLUOROCARBON CLASS FPM; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-167-5121 still in active supply?

NSN 5331-00-167-5121 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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