PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2574737-6O-Ring

Parker Hannifin Corporation Div O-Ring Division · NSN 5331-00-455-6405 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-455-6405 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-455-6405. Primary manufacturer part number: 2574737-6.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
  • Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER
  • Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • Outside Diameter: 1.610 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN
  • Elongation Percentage: 331 MAXIMUM
  • 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 construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-455-6405, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 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
NSN5331-00-455-6405
Primary Part Number2574737-6
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker Hannifin Corporation Div O-Ring Division
StatusACTIVE
Center Hole Diameter1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN
Hardness Rating90.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER
Temp Rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Outside Diameter1.610 INCHES MINIMUM AND 1.648 INCHES MAXIMUM IN
Elongation Percentage331 MAXIMUM
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-136-56422507294-18 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
Cross-Reference Index
Part NumberManufacturer
2574737-6 Parker-Hannifin Corp Div O-Ring Division (USA)
2-029 N674-70 Parker Hannifin Gmbh O-Ring Division (DEU)
2-029 N674-7 Parker-Hannifin Corp Div O-Ring Division (USA)
2574737-6 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2574737-6 Jonal Laboratories Inc (USA)
2574737-6 Hutchinson Seal Corporation (USA)
2574737-6 Stillman Seal Corporation Div Stillman Seal Corperation (USA)
2574737-6 Apple Rubber Products, Inc. Dba Apple Rubber Products Inc (USA)
2-029 N219-7 Parker-Hannifin Corp Div O-Ring Division (USA)
37.82X1.78 20A7 Stacem (FRA)
2574737-6 PRIMARY Parker Hannifin Corporation Div O-Ring Division (USA)
Related Parts
5331-00-136-5642INTERCHANGEABLE
O-RING
2507294-18

Frequently Asked Questions

What is NSN 5331-00-455-6405?

NSN 5331-00-455-6405 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-455-6405?

NSN 5331-00-455-6405 has 11 cross-referenced part numbers: 2574737-6 (Parker-Hannifin Corp Div O-Ring Division), 2-029 N674-70 (Parker Hannifin Gmbh O-Ring Division), 2-029 N674-7 (Parker-Hannifin Corp Div O-Ring Division), 2574737-6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2574737-6 (Jonal Laboratories Inc) and 6 more.

What NSN replaces 5331-00-455-6405?

There is 1 known substitute for 5331-00-455-6405: 5331-00-136-5642. Verify interchangeability with system specifications before substitution.

What are the specifications of 2574737-6?

Key specifications for 2574737-6: Center Hole Diameter: 1.479 INCHES MINIMUM AND 1.499 INCHES MAXIMUM IN; Hardness Rating: 90.0 SHORE DUROMETER A NOMINAL; Material: RUBBER; Temp Rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF. 7 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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