PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-023E540-8O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-00-140-7798 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-140-7798 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-140-7798. Primary manufacturer part number: 2-023E540-8.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
  • Temp Rating: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 5 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 Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-140-7798, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-140-7798
Primary Part Number2-023E540-8
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Center Hole Diameter1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
Temp Rating-65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-482-1595A06689.023.222 INTERCHANGEABLE
O-Ring
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
2-023E540-8 Parker-Hannifin Corp Div O-Ring Division (USA)
4400483-0231 Marotta Controls Inc (USA)
2-023E540-8 Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters (USA)
132515 Walworth Co the (USA)
37589-52 Solventum Purification Inc. Div Filtration and Separation Division (USA)
Related Parts
5331-00-482-1595INTERCHANGEABLE
O-RING
A06689.023.222

Frequently Asked Questions

What is NSN 5331-00-140-7798?

NSN 5331-00-140-7798 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 5331-00-140-7798?

NSN 5331-00-140-7798 has 5 cross-referenced part numbers: 2-023E540-8 (Parker-Hannifin Corp Div O-Ring Division), 4400483-0231 (Marotta Controls Inc), 2-023E540-8 (Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters), 132515 (Walworth Co the), 37589-52 (Solventum Purification Inc. Div Filtration and Separation Division).

What NSN replaces 5331-00-140-7798?

There is 1 known substitute for 5331-00-140-7798: 5331-00-482-1595. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-023E540-8?

Key specifications for 2-023E540-8: Center Hole Diameter: 1.045 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS; Temp Rating: -65.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF. 5 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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