PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-037L449-60O-Ring

Parker-Hannifin Corp Div O-Ring Division · NSN 5331-01-027-8788 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-027-8788 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-027-8788. Primary manufacturer part number: 2-037L449-60.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 2.329 INCHES NOMINAL IN
  • Center Hole Diameter: 2.479 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROSILICONE CLASS FQ
  • 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 Fluorosilicone Class Fq construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-027-8788, 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 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-027-8788
Primary Part Number2-037L449-60
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerParker-Hannifin Corp Div O-Ring Division
StatusACTIVE
Outside Diameter2.329 INCHES NOMINAL IN
Center Hole Diameter2.479 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MaterialRUBBER FLUOROSILICONE CLASS FQ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-067-9996 INTERCHANGEABLE
O-Ring
5331-00-610-5699N0674 2-037 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-618-1664STD3019C46 INTERCHANGEABLE
O-Ring
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5331-01-641-8380AS-568-037 INTERCHANGEABLE
O-Ring
Apple Rubber Products, Inc. Dba Apple Rubber Products Inc
5331-01-671-5441 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
2-037L449-60 Parker-Hannifin Corp Div O-Ring Division (USA)
2-037L449-65 Parker-Hannifin Corp Div O-Ring Division (USA)
16606A54-213 Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S (USA)
AS568-037 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-067-9996INTERCHANGEABLE
O-RING
5331-00-610-5699INTERCHANGEABLE
O-RING
N0674 2-037
5331-00-618-1664INTERCHANGEABLE
O-RING
STD3019C46
5331-01-641-8380INTERCHANGEABLE
O-RING
AS-568-037
5331-01-671-5441INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-027-8788?

NSN 5331-01-027-8788 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 5331-01-027-8788?

NSN 5331-01-027-8788 has 4 cross-referenced part numbers: 2-037L449-60 (Parker-Hannifin Corp Div O-Ring Division), 2-037L449-65 (Parker-Hannifin Corp Div O-Ring Division), 16606A54-213 (Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S), AS568-037 (Society of Automotive Engineers Inc).

What NSN replaces 5331-01-027-8788?

There are 5 known substitutes for 5331-01-027-8788: 5331-00-067-9996, 5331-00-610-5699, 5331-00-618-1664 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-037L449-60?

Key specifications for 2-037L449-60: Outside Diameter: 2.329 INCHES NOMINAL IN; Center Hole Diameter: 2.479 INCHES MINIMUM AND 2.499 INCHES MAXIMUM IN; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER FLUOROSILICONE CLASS FQ. 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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