PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-249E540-80O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-01-383-6783 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-383-6783 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-383-6783. Primary manufacturer part number: 2-249E540-80.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 4.824 INCHES MINIMUM AND 4.894 INCHES MAXIMUM IN
  • Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM
  • Hardness Rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Parker-Hannifin Corp Div O-Ring Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Ethylene-Propylene Class Epm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-383-6783, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5331-01-383-6783
Primary Part Number2-249E540-80
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Center Hole Diameter4.824 INCHES MINIMUM AND 4.894 INCHES MAXIMUM IN
MaterialRUBBER ETHYLENE-PROPYLENE CLASS EPM
Hardness Rating75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5331-01-012-5148671-00249-0 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5331-01-699-2274 INTERCHANGEABLE
O-Ring
5331-01-699-3928 INTERCHANGEABLE
O-Ring
5331-01-699-3943 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
2-249E540-80 Parker-Hannifin Corp Div O-Ring Division (USA)
AS568-249 Society of Automotive Engineers Inc (USA)
M2AA810A13EA14F17 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AS568-249 Sae International Dba Sae International (USA)
Related Parts
5331-01-012-5148INTERCHANGEABLE
O-RING
671-00249-0
5331-01-699-2274INTERCHANGEABLE
O-RING
5331-01-699-3928INTERCHANGEABLE
O-RING
5331-01-699-3943INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-383-6783?

NSN 5331-01-383-6783 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-383-6783?

NSN 5331-01-383-6783 has 4 cross-referenced part numbers: 2-249E540-80 (Parker-Hannifin Corp Div O-Ring Division), AS568-249 (Society of Automotive Engineers Inc), M2AA810A13EA14F17 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS568-249 (Sae International Dba Sae International).

What NSN replaces 5331-01-383-6783?

There are 4 known substitutes for 5331-01-383-6783: 5331-01-012-5148, 5331-01-699-2274, 5331-01-699-3928 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-249E540-80?

Key specifications for 2-249E540-80: Center Hole Diameter: 4.824 INCHES MINIMUM AND 4.894 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM; Hardness Rating: 75.0 SHORE DUROMETER A MINIMUM AND 85.0 SHORE DUROMETER A MAXIMUM; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 4 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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