The O-Ring, cataloged under National Stock Number 5331-01-735-6611, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Freudenberg-Nok General Partnership Dba International Seal Co Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-735-6611 |
| Primary Part Number | 62AS568-324 E454 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Freudenberg-Nok General Partnership Dba International Seal Co Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.210 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 1.350 INCHES NOMINAL IN |
| Material | RUBBER ETHYLENE-PROPYLENE-DIENE CLASS EPDM |
| 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 |
|---|---|
| 62AS568-324 E454 | Freudenberg-Nok General Partnership Dba International Seal Co Inc (USA) |
| NAS1611-324A | Proponent, Inc. Dba Proponent (USA) |
| Reference | Meaning |
|---|---|
| AS568-324 E454 | 3/9 Design control — primary reference Freudenberg-Nok General Partnership Dba International Seal Co Inc |
NSN 5331-01-735-6611 is a O-Ring, manufactured by Freudenberg-Nok General Partnership Dba International Seal Co Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-735-6611 has 2 manufacturer part numbers on file: 62AS568-324 E454 (Freudenberg-Nok General Partnership Dba International Seal Co Inc), NAS1611-324A (Proponent, Inc. Dba Proponent).
Key specifications for 62AS568-324 E454: Cross-Sectional Height: 0.210 INCHES NOMINAL IN; Color: BLACK; Special Features: O-RING AS568-324,HARDNESS:80.0 SHORE A,23 DEG C DEGC; Center Hole Diameter: 1.350 INCHES NOMINAL IN. 4 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.