PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS3085-122O-Ring

Society of Automotive Engineers Inc · NSN 5331-01-278-0490 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-278-0490 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-278-0490. Primary manufacturer part number: AS3085-122.
Features
  • O-Ring — FSC 5331
  • Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
  • Reference Number Differentiating Characteristics: AS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
  • Color: BROWN
  • Temp Rating: -5.0 CELSIUS AND 205.0 CELSIUS DEGC
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Center Hole Diameter: 1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN
  • Material Document and Classification: AMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM D2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
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 5331-01-278-0490, 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 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-278-0490
Primary Part NumberAS3085-122
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Hardness Rating70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM
Reference Number Differentiating CharacteristicsAS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199
ColorBROWN
Temp Rating-5.0 CELSIUS AND 205.0 CELSIUS DEGC
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Center Hole Diameter1.102 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN
Material Document and ClassificationAMS7280 ASSN STD SINGLE MATERIAL RESPONSE OR ASTM D2000/SAE J200 ASSN STD SINGLE MATERIAL RESPONSE
MaterialRUBBER FLUOROCARBON CLASS FPM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-167-51112-122V0747-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-01-463-8723AS3085-122 INTERCHANGEABLE
O-Ring
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
AS3085-122 Society of Automotive Engineers Inc (USA)
5331PL1147612 Jednolity Indeks Materialowy - Uniform Material Index (POL)
V0747 2-122 Parker-Hannifin Corp Div O-Ring Division (USA)
AS3085-122 Leonardo Spa Helicopters Division - Production Site (ITA)
2-122 V747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
AS3085-122 Sae International Dba Sae International (USA)
2-122 V747-75 Parker Hannifin Gmbh O-Ring Division (DEU)
Related Parts
5331-00-167-5111INTERCHANGEABLE
O-RING
2-122V0747-75
5331-01-463-8723INTERCHANGEABLE
O-RING
AS3085-122

Frequently Asked Questions

What is NSN 5331-01-278-0490?

NSN 5331-01-278-0490 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 5331-01-278-0490?

NSN 5331-01-278-0490 has 7 cross-referenced part numbers: AS3085-122 (Society of Automotive Engineers Inc), 5331PL1147612 (Jednolity Indeks Materialowy - Uniform Material Index), V0747 2-122 (Parker-Hannifin Corp Div O-Ring Division), AS3085-122 (Leonardo Spa Helicopters Division - Production Site), 2-122 V747-75 (Parker-Hannifin Corp Div O-Ring Division) and 2 more.

What NSN replaces 5331-01-278-0490?

There are 2 known substitutes for 5331-01-278-0490: 5331-00-167-5111, 5331-01-463-8723. Verify interchangeability with system specifications before substitution.

What are the specifications of AS3085-122?

Key specifications for AS3085-122: Hardness Rating: 70.0 SHORE DUROMETER A MINIMUM AND 80.0 SHORE DUROMETER A MAXIMUM; Reference Number Differentiating Characteristics: AS DIFF BY SPEC K2617 HTE7300 PERFORMANCE RQMT TORNADO ACFT ENGINE MODEL RB199; Color: BROWN; Special Features: O-RING SHAPE;OPERATED BY FLUID, HIGH TEMPERATURE. 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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