The Marine Bearing Ring, cataloged under National Stock Number 5331-01-696-8778, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Marine Bearing Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Lockheed Martin Corporation Div Rotary and Mission Systems (CAGE 38597); Trelleborg Sealing Solutions Us Inc. Dba Orkot Marine (CAGE 1XT10) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-696-8778 |
| Primary Part Number | 70199723-1 |
| Item Name | Marine Bearing Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| 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 |
|---|---|
| 70199723-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| 70199723-1 | Trelleborg Sealing Solutions Us Inc. Dba Orkot Marine (USA) |
| Reference | Meaning |
|---|---|
| 70199713 REV H SHT 6 FIND NO.20 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rotary and Mission Systems |
| 70199723 REV A P/N 70199723-1 | D/9 Drawing number reference only Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 5331-01-696-8778 is a Marine Bearing Ring, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-696-8778 has 2 manufacturer part numbers on file: 70199723-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), 70199723-1 (Trelleborg Sealing Solutions Us Inc. Dba Orkot Marine).
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.