PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C65O-Ring

Coyne & Delany Company Dba Delany Products Div Delany Products · NSN 5331-01-338-5552 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-338-5552 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-338-5552. Primary manufacturer part number: C65.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Coyne & Delany Company Dba Delany Products Div Delany Products
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-338-5552, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Coyne & Delany Company Dba Delany Products Div Delany Products. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersCoyne & Delany Company Dba Delany Products Div Delany Products (CAGE 71718)
Technical Specifications
ParameterValue
NSN5331-01-338-5552
Primary Part NumberC65
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCoyne & Delany Company Dba Delany Products Div Delany Products
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5330-00-247-5998C65 INTERCHANGEABLE
Felt,mechanical,preformed
Hobart Bros Co
5330-00-450-3975 INTERCHANGEABLE
Packing Material
5360-01-298-4440 INTERCHANGEABLE
Spring,leaf
8110-01-386-3094CXX65 INTERCHANGEABLE
Shock Indicator,visual
Shockwatch Inc. Dba Spotsee
Cross-Reference Index
Part NumberManufacturer
C65 PRIMARY Coyne & Delany Company Dba Delany Products Div Delany Products (USA)
Related Parts
5330-00-247-5998INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
C65
5330-00-450-3975INTERCHANGEABLE
PACKING MATERIAL
5360-01-298-4440INTERCHANGEABLE
SPRING,LEAF
8110-01-386-3094INTERCHANGEABLE
SHOCK INDICATOR,VISUAL
CXX65

Frequently Asked Questions

What is NSN 5331-01-338-5552?

NSN 5331-01-338-5552 is a O-Ring, manufactured by Coyne & Delany Company Dba Delany Products Div Delany Products, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-338-5552?

NSN 5331-01-338-5552 has 1 cross-referenced part number: C65 (Coyne & Delany Company Dba Delany Products Div Delany Products).

What NSN replaces 5331-01-338-5552?

There are 4 known substitutes for 5331-01-338-5552: 5330-00-247-5998, 5330-00-450-3975, 5360-01-298-4440 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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