PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31476O-Ring

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5331-00-678-0983 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-678-0983 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-678-0983. Primary manufacturer part number: 31476.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Center Hole Diameter: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
  • 3 verified cross-references
  • Primary manufacturer: L3harris Technologies, Inc. Div Space and Airborne Systems
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-678-0983, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-678-0983
Primary Part Number31476
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
MaterialRUBBER FLUOROCARBON CLASS FPM
Center Hole Diameter0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2825-00-390-4096 INTERCHANGEABLE
Stem with Head,governor
5945-01-036-991731476 INTERCHANGEABLE
Solenoid,electrical
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
Cross-Reference Index
Part NumberManufacturer
33139PC8 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
33136PC32 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
31476 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
2825-00-390-4096INTERCHANGEABLE
STEM WITH HEAD,GOVERNOR
5945-01-036-9917INTERCHANGEABLE
SOLENOID,ELECTRICAL
31476

Frequently Asked Questions

What is NSN 5331-00-678-0983?

NSN 5331-00-678-0983 is a O-Ring, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-678-0983?

NSN 5331-00-678-0983 has 3 cross-referenced part numbers: 33139PC8 (L3harris Technologies, Inc. Div Space and Airborne Systems), 33136PC32 (L3harris Technologies, Inc. Div Space and Airborne Systems), 31476 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5331-00-678-0983?

There are 2 known substitutes for 5331-00-678-0983: 2825-00-390-4096, 5945-01-036-9917. Verify interchangeability with system specifications before substitution.

What are the specifications of 31476?

Key specifications for 31476: Material: RUBBER FLUOROCARBON CLASS FPM; Center Hole Diameter: 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN. 2 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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