The O-Ring, cataloged under National Stock Number 5331-01-689-7671, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-689-7671 |
| Primary Part Number | AS568-908-HNBR-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.0845 INCHES MINIMUM AND 0.0895 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE NITRILE |
| 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-HNBR-70 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS568-908-HNBR-70 | 5/1 Secondary reference Seal Company Enterprises, Inc. |
NSN 5331-01-689-7671 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-689-7671 has 1 manufacturer part number on file: AS568-908-HNBR-70 (Sae International Dba Sae International).
Key specifications for AS568-908-HNBR-70: Cross-Sectional Height: 0.0845 INCHES MINIMUM AND 0.0895 INCHES MAXIMUM IN; Center Hole Diameter: 0.635 INCHES MINIMUM AND 0.653 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: O-RING, ADJUSTING RING; End Item Identification: 1520-01-298-4532. 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.