PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9522557O-Ring

Meggitt Aircraft Braking Systems Corporation · NSN 5331-00-515-4277 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-515-4277 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-515-4277. Primary manufacturer part number: 9522557.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Center Hole Diameter: 14.204 INCHES MINIMUM AND 14.264 INCHES MAXIMUM IN
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
  • 6 verified cross-references
  • Primary manufacturer: Meggitt Aircraft Braking Systems Corporation
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 5331-00-515-4277, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Meggitt Aircraft Braking Systems Corporation. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, 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
NSN5331-00-515-4277
Primary Part Number9522557
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMeggitt Aircraft Braking Systems Corporation
StatusCANCELLED
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Center Hole Diameter14.204 INCHES MINIMUM AND 14.264 INCHES MAXIMUM IN
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5998-01-072-4047952255-7 INTERCHANGEABLE
Extractor,electrical Card
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
9522557 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
39522557 Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA)
9522557WE Wencor Group Llc (USA)
9522557 Goodyear Tire and Rubber Co the (USA)
9522557 PRIMARY Meggitt Aircraft Braking Systems Corporation (USA)
9522557 Leonardo Spa Aeronautics Division - Pomigliano D'arco Site (ITA)
Related Parts
5998-01-072-4047INTERCHANGEABLE
EXTRACTOR,ELECTRICAL CARD
952255-7

Frequently Asked Questions

What is NSN 5331-00-515-4277?

NSN 5331-00-515-4277 is a O-Ring, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-515-4277?

NSN 5331-00-515-4277 has 6 cross-referenced part numbers: 9522557 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems), 39522557 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems), 9522557WE (Wencor Group Llc), 9522557 (Goodyear Tire and Rubber Co the), 9522557 (Meggitt Aircraft Braking Systems Corporation) and 1 more.

What NSN replaces 5331-00-515-4277?

There is 1 known substitute for 5331-00-515-4277: 5998-01-072-4047. Verify interchangeability with system specifications before substitution.

What are the specifications of 9522557?

Key specifications for 9522557: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 14.204 INCHES MINIMUM AND 14.264 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-515-4277 still in active supply?

NSN 5331-00-515-4277 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.
PartsTable Design LLC · partstable.com