The O-Ring, cataloged under National Stock Number 5331-01-513-6940, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cleveland Gear Company, Inc. Dba Cleveland Gear Co. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Timken Gears & Services Inc. Div Philadelphia Gear (CAGE 17454); Cleveland Gear Company, Inc. Dba Cleveland Gear Co (CAGE 59958) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-513-6940 |
| Primary Part Number | Z1057U |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cleveland Gear Company, Inc. Dba Cleveland Gear Co |
| 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 |
|---|---|
| 01070-0342 REV B ITEM NO.401 | Timken Gears & Services Inc. Div Philadelphia Gear (USA) |
| Z1057U PRIMARY | Cleveland Gear Company, Inc. Dba Cleveland Gear Co (USA) |
NSN 5331-01-513-6940 is a O-Ring, manufactured by Cleveland Gear Company, Inc. Dba Cleveland Gear Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-513-6940 has 2 manufacturer part numbers on file: 01070-0342 REV B ITEM NO.401 (Timken Gears & Services Inc. Div Philadelphia Gear), Z1057U (Cleveland Gear Company, Inc. Dba Cleveland Gear Co).
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.