PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0568-0327O-Ring

Uhrden, Inc. Dba Tubar Division · NSN 5331-00-216-8349 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-216-8349 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-216-8349. Primary manufacturer part number: 0568-0327.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Center Hole Diameter: 3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Uhrden, Inc. Dba Tubar Division
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-216-8349, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Uhrden, Inc. Dba Tubar Division. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-216-8349
Primary Part Number0568-0327
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerUhrden, Inc. Dba Tubar Division
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Center Hole Diameter3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-579-8157MS28775-327 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5331-00-955-9383 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
0568-0327 Uhrden, Inc. Dba Tubar Division (USA)
6227-30 Uhrden, Inc. Dba Tubar Division (USA)
Related Parts
5331-00-579-8157INTERCHANGEABLE
O-RING
MS28775-327
5331-00-955-9383INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-216-8349?

NSN 5331-00-216-8349 is a O-Ring, manufactured by Uhrden, Inc. Dba Tubar Division, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-216-8349?

NSN 5331-00-216-8349 has 2 cross-referenced part numbers: 0568-0327 (Uhrden, Inc. Dba Tubar Division), 6227-30 (Uhrden, Inc. Dba Tubar Division).

What NSN replaces 5331-00-216-8349?

There are 2 known substitutes for 5331-00-216-8349: 5331-00-579-8157, 5331-00-955-9383. Verify interchangeability with system specifications before substitution.

What are the specifications of 0568-0327?

Key specifications for 0568-0327: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN. 3 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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