The O-Ring, cataloged under National Stock Number 5331-00-539-6313, 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 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-539-6313 |
| Primary Part Number | AS3209-284 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 18.140 INCHES MINIMUM AND 18.326 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 17.870 INCHES MINIMUM AND 18.040 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 |
|---|---|
| AS3209-284 PRIMARY | Sae International Dba Sae International (USA) |
| PP056TB1-284 | Circor Pumps North America Llc (USA) |
| 2-284V1164-75 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| AS3209-284 | 3/9 Design control — primary reference U.S. Government activity |
| M83248/1-284 | 5/9 Secondary reference U.S. Government activity |
| MILR83248 | 5/9 Secondary reference U.S. Government activity |
| SAE-AMS7276 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 2-284V1226-75 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 2-284V0747-75 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| AMS 7276 | 5/1 Secondary reference Sae International Dba Sae International |
| AMS 7276 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-539-6313 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-539-6313 has 3 manufacturer part numbers on file: AS3209-284 (Sae International Dba Sae International), PP056TB1-284 (Circor Pumps North America Llc), 2-284V1164-75 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for AS3209-284: Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 18.140 INCHES MINIMUM AND 18.326 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 7 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.