PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3209-240O-Ring

Sae International Dba Sae International · NSN 5331-00-165-1958 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-165-1958 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-165-1958. Primary manufacturer part number: AS3209-240.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 3.706 INCHES MINIMUM AND 3.762 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Outside Diameter: 3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
  • Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
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 5331-00-165-1958, 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 46 commercial cross-references from 22 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
NSN5331-00-165-1958
Primary Part NumberAS3209-240
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter3.706 INCHES MINIMUM AND 3.762 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
Outside Diameter3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN
Temp Rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5331-00-166-1020M83248/1-024 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-618-1603MS28775-240 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-559-2093 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
2-240 V884-75 Parker-Hannifin Corp Div O-Ring Division (USA)
PRP568-240-9009-75 Parco, Llc (USA)
S9026L240 Honeywell International Inc. Div Aerospace - Torrance (USA)
5331PL1937868 Jednolity Indeks Materialowy - Uniform Material Index (POL)
J221P240 Ge Avio Srl (ITA)
116.000.180 Zf Industrieantriebe Witten Gmbh (DEU)
30093-41360 ITEM 16 Moog Inc. Dba Ampac-Isp Corp (USA)
SAE-AMS7276 Sae International Dba Sae International (USA)
HBV-F3-20-0001-22 B N L Industries Inc (USA)
S9413-240 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
52240080 Zf Industrieantriebe Witten Gmbh (DEU)
S9026L240 Proponent, Inc. Dba Proponent (USA)
AS3085-240 Society of Automotive Engineers Inc (USA)
PRP240-19357 Parker Hannifin Corporation Div O-Ring Division (USA)
30093-40930 ITEM 16 Moog Inc. Dba Ampac-Isp Corp (USA)
Z1057AH Cleveland Gear Company, Inc. Dba Cleveland Gear Co (USA)
5331PL2223998 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MS9388-240 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
2-240 V747-75 Parker Hannifin Gmbh O-Ring Division (DEU)
2-240V1226-75 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5331-00-166-1020INTERCHANGEABLE
O-RING
M83248/1-024
5331-00-618-1603INTERCHANGEABLE
O-RING
MS28775-240
5331-01-559-2093INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-165-1958?

NSN 5331-00-165-1958 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 5331-00-165-1958?

NSN 5331-00-165-1958 has 46 cross-referenced part numbers: 2-240 V884-75 (Parker-Hannifin Corp Div O-Ring Division), PRP568-240-9009-75 (Parco, Llc), S9026L240 (Honeywell International Inc. Div Aerospace - Torrance), 5331PL1937868 (Jednolity Indeks Materialowy - Uniform Material Index), J221P240 (Ge Avio Srl) and 41 more.

What NSN replaces 5331-00-165-1958?

There are 3 known substitutes for 5331-00-165-1958: 5331-00-166-1020, 5331-00-618-1603, 5331-01-559-2093. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3209-240?

Key specifications for AS3209-240: Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 3.706 INCHES MINIMUM AND 3.762 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Outside Diameter: 3.976 INCHES MINIMUM AND 4.048 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-165-1958 still in active supply?

NSN 5331-00-165-1958 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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