PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52561A215O-Ring

Dover Resources, Inc. Div Norriseal · NSN 5331-01-411-6079 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-411-6079 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-411-6079. Primary manufacturer part number: 52561A215.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 2 verified cross-references
  • Primary manufacturer: Dover Resources, Inc. Div Norriseal
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 5331-01-411-6079, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Dover Resources, Inc. Div Norriseal. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-411-6079
Primary Part Number52561A215
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDover Resources, Inc. Div Norriseal
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-579-7911MS28775-215 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
52561A215 Norriseal Norris Values Div Dba Dover Co (USA)
52561A215 PRIMARY Dover Resources, Inc. Div Norriseal (USA)
Related Parts
5331-00-579-7911INTERCHANGEABLE
O-RING
MS28775-215

Frequently Asked Questions

What is NSN 5331-01-411-6079?

NSN 5331-01-411-6079 is a O-Ring, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-411-6079?

NSN 5331-01-411-6079 has 2 cross-referenced part numbers: 52561A215 (Norriseal Norris Values Div Dba Dover Co), 52561A215 (Dover Resources, Inc. Div Norriseal).

What NSN replaces 5331-01-411-6079?

There is 1 known substitute for 5331-01-411-6079: 5331-00-579-7911. Verify interchangeability with system specifications before substitution.

What are the specifications of 52561A215?

Key specifications for 52561A215: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 1 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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