PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3085-020O-Ring

Society of Automotive Engineers Inc · NSN 5331-01-279-3361 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-279-3361 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-279-3361. Primary manufacturer part number: AS3085-020.
Features
  • O-Ring — FSC 5331
  • Material Document and Classification: AMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM D2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
  • Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
  • Material: RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
  • Color: BROWN
  • Reference Number Differentiating Characteristics: AS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
  • Temp Rating: -5.0 CELSIUS AND 205.0 CELSIUS DEGC
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Polymethylene-Perfluoroalkylene Class Fkm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-279-3361, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-279-3361
Primary Part NumberAS3085-020
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Material Document and ClassificationAMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM D2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
Hardness Rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
MaterialRUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM
ColorBROWN
Reference Number Differentiating CharacteristicsAS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
Temp Rating-5.0 CELSIUS AND 205.0 CELSIUS DEGC
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter0.855 INCHES MINIMUM AND 0.873 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-00-111-07341433-643376-3 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Div Gas Turbine Fuel Systems
5331-00-166-1001AS3209-020 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-01-290-4180AS3085-020 INTERCHANGEABLE
O-Ring
Allison Transmission Inc Dba Allison Transmission, Inc
5330-01-463-8826AS3085-020 INTERCHANGEABLE
Packing,preformed,a
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
AS3085-020 Society of Automotive Engineers Inc (USA)
AS3085-020 Sae International Dba Sae International (USA)
2-020 V747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
V0747 2-020 Parker-Hannifin Corp Div O-Ring Division (USA)
2-020 V747-75 Parker Hannifin Gmbh O-Ring Division (DEU)
Related Parts
5331-00-111-0734INTERCHANGEABLE
O-RING
1433-643376-3
5331-00-166-1001INTERCHANGEABLE
O-RING
AS3209-020
5331-01-290-4180INTERCHANGEABLE
O-RING
AS3085-020
5330-01-463-8826INTERCHANGEABLE
PACKING,PREFORMED,A
AS3085-020

Frequently Asked Questions

What is NSN 5331-01-279-3361?

NSN 5331-01-279-3361 is a O-Ring, manufactured by Society of Automotive Engineers Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-279-3361?

NSN 5331-01-279-3361 has 5 cross-referenced part numbers: AS3085-020 (Society of Automotive Engineers Inc), AS3085-020 (Sae International Dba Sae International), 2-020 V747-75 (Parker-Hannifin Corp Div O-Ring Division), V0747 2-020 (Parker-Hannifin Corp Div O-Ring Division), 2-020 V747-75 (Parker Hannifin Gmbh O-Ring Division).

What NSN replaces 5331-01-279-3361?

There are 4 known substitutes for 5331-01-279-3361: 5331-00-111-0734, 5331-00-166-1001, 5331-01-290-4180 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3085-020?

Key specifications for AS3085-020: Material Document and Classification: AMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM D2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: 2840-99-645-9394;2840-99-645-9395;2840-99-766-0507;2840-99-766-0508;MODEL RB199MK101/103/104;SIMILAR TO NSN 5330-01-044-3054; Special Features: O-RING SHAPE;OPERATED BY FLUID, HIGH TEMPERATURE; Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM. 10 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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