The O-Ring, cataloged under National Stock Number 5331-01-355-1440, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sealing Devices Inc. Dba Sealing Devices Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-355-1440 |
| Primary Part Number | SV197420E |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sealing Devices Inc. Dba Sealing Devices Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 19.658 INCHES MINIMUM AND 19.838 INCHES MAXIMUM IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| 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 |
|---|---|
| SV197420E PRIMARY | Sealing Devices Inc. Dba Sealing Devices Inc (USA) |
| Reference | Meaning |
|---|---|
| 8811-4389-1 | 5/9 Secondary reference Drs Icas, Llc |
NSN 5331-01-355-1440 is a O-Ring, manufactured by Sealing Devices Inc. Dba Sealing Devices Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-355-1440 has 1 manufacturer part number on file: SV197420E (Sealing Devices Inc. Dba Sealing Devices Inc).
Key specifications for SV197420E: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 19.658 INCHES MINIMUM AND 19.838 INCHES MAXIMUM IN; Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM. 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.