The O-Ring, cataloged under National Stock Number 5331-01-005-0543, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-005-0543 |
| Primary Part Number | AS3209-427 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Outside Diameter | 5.275 INCHES NOMINAL IN |
| Temp Rating | -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Center Hole Diameter | 4.692 INCHES MINIMUM AND 4.758 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-427-77-545 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| M83248/1-427 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2643-1005 ITEM 7 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| MIL-R-83248/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AMS7276G | Sae International Dba Sae International (USA) |
| AS3209-427 PRIMARY | Sae International Dba Sae International (USA) |
| AMS7276G | Society of Automotive Engineers Inc (USA) |
| AS3209-427 | Society of Automotive Engineers Inc (USA) |
| AMS7276 | Sae International Dba Sae International (USA) |
| AS3209 | Sae International Dba Sae International (USA) |
| SAE-AMS7276 | Sae International Dba Sae International (USA) |
| V1E10502 ITEM 31 | Vacco Industries (USA) |
| AS568-427MIL-G- 23652 TY 1 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 556-6408040-9 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 845-7285124 ITEM 7 | Naval Sea Systems Command (USA) |
NSN 5331-01-005-0543 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-005-0543 has 15 cross-referenced part numbers: 2-427-77-545 (Parker-Hannifin Corp Div O-Ring Division), M83248/1-427 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2643-1005 ITEM 7 (Electric Boat Corporation Div General Dynamics Electric Boat), MIL-R-83248/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS7276G (Sae International Dba Sae International) and 10 more.
There are 12 known substitutes for 5331-01-005-0543: 5331-00-103-1506, 5331-00-103-1747, 5331-00-165-1955 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for AS3209-427: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM; Outside Diameter: 5.275 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-005-0543 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.