PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2CT13O-Ring

Oshkosh Defense Llc · NSN 5331-01-314-8490 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-314-8490 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-314-8490. Primary manufacturer part number: 2CT13.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.062 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 3 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-314-8490, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5331-01-314-8490
Primary Part Number2CT13
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerOshkosh Defense Llc
StatusACTIVE
Cross-Sectional Height0.062 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-432-92802868562-1 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2990-01-063-7699 INTERCHANGEABLE
Cap Assembly,protective,muffler-
5315-01-236-1565651924 INTERCHANGEABLE
Pin,straight,headless
Curtiss-Wright Electro-Mechanical Corporation Div Epd
2010-01-501-858611-019 INTERCHANGEABLE
Propeller,marine
Konrad Marine Inc Div Konrad Marine
5930-01-528-946211019 INTERCHANGEABLE
Switch,push
Gaylord Marine Services, Inc.
Cross-Reference Index
Part NumberManufacturer
11-019 Modular Controls Corp (USA)
2CT13 Oshkosh Corp (USA)
2CT13 PRIMARY Oshkosh Defense Llc (USA)
Related Parts
5950-00-432-9280INTERCHANGEABLE
TRANSFORMER,POWER
2868562-1
2990-01-063-7699INTERCHANGEABLE
CAP ASSEMBLY,PROTECTIVE,MUFFLER-
5315-01-236-1565INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
651924
2010-01-501-8586INTERCHANGEABLE
PROPELLER,MARINE
11-019
5930-01-528-9462INTERCHANGEABLE
SWITCH,PUSH
11019

Frequently Asked Questions

What is NSN 5331-01-314-8490?

NSN 5331-01-314-8490 is a O-Ring, manufactured by Oshkosh Defense Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-314-8490?

NSN 5331-01-314-8490 has 3 cross-referenced part numbers: 11-019 (Modular Controls Corp), 2CT13 (Oshkosh Corp), 2CT13 (Oshkosh Defense Llc).

What NSN replaces 5331-01-314-8490?

There are 5 known substitutes for 5331-01-314-8490: 5950-00-432-9280, 2990-01-063-7699, 5315-01-236-1565 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2CT13?

Key specifications for 2CT13: Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 2 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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