The O-Ring, cataloged under National Stock Number 5331-01-386-7370, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is R-Way Gasket & Supply Co Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | R-Way Gasket & Supply Co Inc (CAGE 5S153); Zf Industrieantriebe Witten Gmbh (CAGE D9182) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-386-7370 |
| Primary Part Number | AS568-258-B46 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | R-Way Gasket & Supply Co Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| AS568-258-B46 PRIMARY | R-Way Gasket & Supply Co Inc (USA) |
| AS568-258 B46 | Zf Industrieantriebe Witten Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| AS568-258-B46 | 3/9 Design control — primary reference Hutchinson Seal Corporation |
NSN 5331-01-386-7370 is a O-Ring, manufactured by R-Way Gasket & Supply Co Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-386-7370 has 2 manufacturer part numbers on file: AS568-258-B46 (R-Way Gasket & Supply Co Inc), AS568-258 B46 (Zf Industrieantriebe Witten Gmbh).
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.