PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

205-16O-Ring

Cornell-Carr Co., Inc. · NSN 5331-01-342-2545 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-342-2545 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-342-2545. Primary manufacturer part number: 205-16.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Cornell-Carr Co., Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-342-2545, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Cornell-Carr Co., Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersBae Systems Information and Electronic Systems Integration I Dba Es Marine Systems (CAGE 81100); Cornell-Carr Co., Inc. (CAGE 21204)
Technical Specifications
ParameterValue
NSN5331-01-342-2545
Primary Part Number205-16
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCornell-Carr Co., Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5360-00-300-423120516 INTERCHANGEABLE
Spring,helical,compression
L3harris Technologies, Inc. Div Space and Airborne Systems
5940-00-518-8452 INTERCHANGEABLE
Adapter,radio Frequency Cable
4730-00-678-9720205-16 INTERCHANGEABLE
Nut,tube Coupling
Lenz Inc Dba the Lenz Company
7510-01-060-589620516 INTERCHANGEABLE
Pencil Assortment,colored
Sanford Corp
2915-01-420-394220516 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5950-01-445-0585672-0731-010 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5331-01-644-831720516 INTERCHANGEABLE
O-Ring
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Cross-Reference Index
Part NumberManufacturer
205-16 Bae Systems Information and Electronic Systems Integration I Dba Es Marine Systems (USA)
205-16 PRIMARY Cornell-Carr Co., Inc. (USA)
Related Parts
5360-00-300-4231INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20516
5940-00-518-8452INTERCHANGEABLE
ADAPTER,RADIO FREQUENCY CABLE
4730-00-678-9720INTERCHANGEABLE
NUT,TUBE COUPLING
205-16
7510-01-060-5896INTERCHANGEABLE
PENCIL ASSORTMENT,COLORED
20516
2915-01-420-3942INTERCHANGEABLE
FILTER ELEMENT,FLUID
20516
5950-01-445-0585INTERCHANGEABLE
TRANSFORMER,POWER
672-0731-010
5331-01-644-8317INTERCHANGEABLE
O-RING
20516

Frequently Asked Questions

What is NSN 5331-01-342-2545?

NSN 5331-01-342-2545 is a O-Ring, manufactured by Cornell-Carr Co., Inc., classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-342-2545?

NSN 5331-01-342-2545 has 2 cross-referenced part numbers: 205-16 (Bae Systems Information and Electronic Systems Integration I Dba Es Marine Systems), 205-16 (Cornell-Carr Co., Inc.).

What NSN replaces 5331-01-342-2545?

There are 7 known substitutes for 5331-01-342-2545: 5360-00-300-4231, 5940-00-518-8452, 4730-00-678-9720 and 4 more. Verify interchangeability with system specifications before substitution.

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