The O-Ring, cataloged under National Stock Number 5331-01-005-0518, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-005-0518 |
| Primary Part Number | AS3209-205 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 0.686 INCHES MINIMUM AND 0.712 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 0.414 INCHES MINIMUM AND 0.428 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2-205 V747-75 | Parker Hannifin France SAS (FRA) |
| AS3209-205 PRIMARY | Sae International Dba Sae International (USA) |
| 2-205V1226-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 020205V0747 | Parker Hannifin France SAS (FRA) |
| 2-205V1164-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-205V0747-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| M83248/1-205 | 5/9 Secondary reference U.S. Government activity |
| MIL-R-83248/1 | 5/9 Secondary reference U.S. Government activity |
| AS3209-205 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AMS7276 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 5331-01-005-0518 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-005-0518 has 6 manufacturer part numbers on file: 2-205 V747-75 (Parker Hannifin France SAS), AS3209-205 (Sae International Dba Sae International), 2-205V1226-75 (Parker-Hannifin Corp Div O-Ring Division), 020205V0747 (Parker Hannifin France SAS), 2-205V1164-75 (Parker-Hannifin Corp Div O-Ring Division) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 5331-01-253-3163. Verify interchangeability with system specifications before substitution.
Key specifications for AS3209-205: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 0.686 INCHES MINIMUM AND 0.712 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.