PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

250126-3O-Ring

Woodward Hrt Inc · NSN 5331-00-116-7741 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-116-7741 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-116-7741. Primary manufacturer part number: 250126-3.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
  • Center Hole Diameter: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 1 verified cross-reference
  • Primary manufacturer: Woodward Hrt Inc
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 5331-00-116-7741, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Woodward Hrt Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-116-7741
Primary Part Number250126-3
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerWoodward Hrt Inc
StatusCANCELLED
Cross-Sectional Height0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN
Center Hole Diameter0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5950-00-421-63732501263 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
Cross-Reference Index
Part NumberManufacturer
250126-3 PRIMARY Woodward Hrt Inc (USA)
Related Parts
5950-00-421-6373INTERCHANGEABLE
TRANSFORMER,POWER
2501263

Frequently Asked Questions

What is NSN 5331-00-116-7741?

NSN 5331-00-116-7741 is a O-Ring, manufactured by Woodward Hrt Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-116-7741?

NSN 5331-00-116-7741 has 1 cross-referenced part number: 250126-3 (Woodward Hrt Inc).

What NSN replaces 5331-00-116-7741?

There is 1 known substitute for 5331-00-116-7741: 5950-00-421-6373. Verify interchangeability with system specifications before substitution.

What are the specifications of 250126-3?

Key specifications for 250126-3: Cross-Sectional Height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN; Center Hole Diameter: 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-116-7741 still in active supply?

NSN 5331-00-116-7741 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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