PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25K40400O-Ring

Dana Off Highway Products, Llc · NSN 5331-01-019-2610 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-019-2610 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-019-2610. Primary manufacturer part number: 25K40400.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • Center Hole Diameter: 3.969 INCHES MINIMUM AND 3.999 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: Dana Off Highway Products, 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 5331-01-019-2610, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 3 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-019-2610
Primary Part Number25K40400
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerDana Off Highway Products, Llc
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Center Hole Diameter3.969 INCHES MINIMUM AND 3.999 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-579-6860MS28775-242 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
25K40400 PRIMARY Dana Off Highway Products, Llc (USA)
25K40400 Clark Equipment Co (USA)
9-904-101399 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5331-00-579-6860INTERCHANGEABLE
O-RING
MS28775-242

Frequently Asked Questions

What is NSN 5331-01-019-2610?

NSN 5331-01-019-2610 is a O-Ring, manufactured by Dana Off Highway Products, Llc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-019-2610?

NSN 5331-01-019-2610 has 3 cross-referenced part numbers: 25K40400 (Dana Off Highway Products, Llc), 25K40400 (Clark Equipment Co), 9-904-101399 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5331-01-019-2610?

There is 1 known substitute for 5331-01-019-2610: 5331-00-579-6860. Verify interchangeability with system specifications before substitution.

What are the specifications of 25K40400?

Key specifications for 25K40400: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 3.969 INCHES MINIMUM AND 3.999 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 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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