The O-Ring, cataloged under National Stock Number 5331-01-620-6509, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-620-6509 |
| Primary Part Number | AS568-908 NEOPRENE-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.090 INCHES NOMINAL IN |
| Center Hole Diameter | 0.649 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| AS568-908 NEOPRENE-1 PRIMARY | Sae International Dba Sae International (USA) |
| 028-13562 | Johnson Controls Navy Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| AS568-908 NEOPRENE-1 | 3/9 Design control — primary reference U.S. Government activity |
| AS568 | 5/1 Secondary reference Sae International Dba Sae International |
| AS568 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-620-6509 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-620-6509 has 2 manufacturer part numbers on file: AS568-908 NEOPRENE-1 (Sae International Dba Sae International), 028-13562 (Johnson Controls Navy Systems, Llc).
Key specifications for AS568-908 NEOPRENE-1: Cross-Sectional Height: 0.090 INCHES NOMINAL IN; Special Features: NEOPRENE IS THE TRADE NAME FOR CHOLOPRENE RUBBER CR; Center Hole Diameter: 0.649 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: NEOPRENE O-RING. 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.