PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

568906O-Ring

Heil Trailer International Llc · NSN 5331-01-519-2559 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-519-2559 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-519-2559. Primary manufacturer part number: 568906.
Features
  • O-Ring — FSC 5331
  • 1 verified cross-reference
  • Primary manufacturer: Heil Trailer International Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-519-2559, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Heil Trailer International Llc. This item has 1 commercial cross-reference 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.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersHeil Trailer International Llc (CAGE 63576)
Technical Specifications
ParameterValue
NSN5331-01-519-2559
Primary Part Number568906
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerHeil Trailer International Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-855-007021-47 INTERCHANGEABLE
Handle,bow
Tankcraft Corp
5330-01-013-2163 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
568906 PRIMARY Heil Trailer International Llc (USA)
Related Parts
5340-00-855-0070INTERCHANGEABLE
HANDLE,BOW
21-47
5330-01-013-2163INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-01-519-2559?

NSN 5331-01-519-2559 is a O-Ring, manufactured by Heil Trailer International Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-519-2559?

NSN 5331-01-519-2559 has 1 cross-referenced part number: 568906 (Heil Trailer International Llc).

What NSN replaces 5331-01-519-2559?

There are 2 known substitutes for 5331-01-519-2559: 5340-00-855-0070, 5330-01-013-2163. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com