The O-Ring, cataloged under National Stock Number 5331-00-839-9966, 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 5 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-839-9966 |
| Primary Part Number | AS3582-231 |
| 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 |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN |
| Material | RUBBER SILICONE CLASS Q |
| 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 |
|---|---|
| S0604 2-231 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 07A568-230S | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 07A568-231S | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 2-231S604-70 | Parker Hannifin Corp Seal Group O-Ring Div Mcallen Facility (USA) |
| 07A568-231S | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| B86002-231S | Parco, Llc (USA) |
| 2-230S604-70 | Parker Hannifin Corp Seal Group O-Ring Div Mcallen Facility (USA) |
| AS3582-231 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS3582-231 | 3/9 Design control — primary reference U.S. Government activity |
| SAE-AS3582 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 2-231 S604-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| MS9068-231 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-00-839-9966 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-839-9966 has 8 manufacturer part numbers on file: S0604 2-231 (Parker-Hannifin Corp Div O-Ring Division), 07A568-230S (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 07A568-231S (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 2-231S604-70 (Parker Hannifin Corp Seal Group O-Ring Div Mcallen Facility), 07A568-231S (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems) and 3 more.
1 possible match (shared part number, not a government interchangeability claim): 5331-00-990-4143. Verify interchangeability with system specifications before substitution.
Key specifications for AS3582-231: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Elongation Percentage: 125 MAXIMUM; Center Hole Diameter: 2.599 INCHES MINIMUM AND 2.619 INCHES MAXIMUM IN. 5 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.