PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M83485/1-469O-Ring

Sae International Dba Sae International · NSN 5331-01-371-3751 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-371-3751 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-371-3751. Primary manufacturer part number: M83485/1-469.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 19.860 INCHES MINIMUM AND 20.050 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • 6 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
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 5331-01-371-3751, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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
NSN5331-01-371-3751
Primary Part NumberM83485/1-469
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Center Hole Diameter19.860 INCHES MINIMUM AND 20.050 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Cross-Sectional Height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-01-048-4997M83485/1-113 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
M83485/1-469 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83485/1-469 Society of Automotive Engineers Inc (USA)
M83485/1-469 PRIMARY Sae International Dba Sae International (USA)
MIL-R-83485 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS7287 Society of Automotive Engineers Inc (USA)
AMS7287 Sae International Dba Sae International (USA)
Related Parts
5331-01-048-4997INTERCHANGEABLE
O-RING
M83485/1-113

Frequently Asked Questions

What is NSN 5331-01-371-3751?

NSN 5331-01-371-3751 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-371-3751?

NSN 5331-01-371-3751 has 6 cross-referenced part numbers: M83485/1-469 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83485/1-469 (Society of Automotive Engineers Inc), M83485/1-469 (Sae International Dba Sae International), MIL-R-83485 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS7287 (Society of Automotive Engineers Inc) and 1 more.

What NSN replaces 5331-01-371-3751?

There is 1 known substitute for 5331-01-371-3751: 5331-01-048-4997. Verify interchangeability with system specifications before substitution.

What are the specifications of M83485/1-469?

Key specifications for M83485/1-469: Center Hole Diameter: 19.860 INCHES MINIMUM AND 20.050 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM; Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 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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