PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

125-176O-Ring

Bradley Corporation · NSN 5331-01-708-2561 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-708-2561 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-708-2561. Primary manufacturer part number: 125-176.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER
  • Color: BLACK
  • Cross-Sectional Height: 0.210 INCHES NOMINAL IN
  • Center Hole Diameter: 1.600 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Bradley Corporation
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-708-2561, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Bradley Corporation. Government technical data includes 4 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: Active.

Technical Specifications
ParameterValue
NSN5331-01-708-2561
Primary Part Number125-176
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerBradley Corporation
StatusACTIVE
MaterialRUBBER
ColorBLACK
Cross-Sectional Height0.210 INCHES NOMINAL IN
Center Hole Diameter1.600 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-637-0366125176 INTERCHANGEABLE
Setscrew
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
125-176 PRIMARY Bradley Corporation (USA)
Related Parts
5305-00-637-0366INTERCHANGEABLE
SETSCREW
125176

Frequently Asked Questions

What is NSN 5331-01-708-2561?

NSN 5331-01-708-2561 is a O-Ring, manufactured by Bradley Corporation, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-708-2561?

NSN 5331-01-708-2561 has 1 cross-referenced part number: 125-176 (Bradley Corporation).

What NSN replaces 5331-01-708-2561?

There is 1 known substitute for 5331-01-708-2561: 5305-00-637-0366. Verify interchangeability with system specifications before substitution.

What are the specifications of 125-176?

Key specifications for 125-176: Material: RUBBER; Color: BLACK; Cross-Sectional Height: 0.210 INCHES NOMINAL IN; Center Hole Diameter: 1.600 INCHES NOMINAL IN. 5 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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