The O-Ring, cataloged under National Stock Number 5331-01-280-6787, 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 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-280-6787 |
| Primary Part Number | AS3578-371 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Center Hole Diameter | 8.425 INCHES MINIMUM AND 8.525 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| AS3578-371 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 10042411 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MS9021-371 | 5/9 Secondary reference U.S. Government activity |
| AS3578-371 | 3/9 Design control — primary reference U.S. Government activity |
| SL15019 ITEM 47 | C/1 Advisory reference — outside the item-of-supply concept Sss Clutch Co, Inc |
| SP43171 | C/1 Advisory reference — outside the item-of-supply concept Sss Clutch Co, Inc |
| 2-371N506-65 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| SAE-AS3578 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 5331PL0890626 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 2-371 N506-65 | 5/9 Secondary reference Parker Hannifin Gmbh O-Ring Division |
NSN 5331-01-280-6787 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-280-6787 has 1 manufacturer part number on file: AS3578-371 (Sae International Dba Sae International).
Key specifications for AS3578-371: Cross-Sectional Height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Center Hole Diameter: 8.425 INCHES MINIMUM AND 8.525 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 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.