The O-Ring, cataloged under National Stock Number 5331-01-554-6112, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 3 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 | R E a L Seal Co (CAGE 0VEF8); Defense Maritime Solutions, Inc. (CAGE 0EYA6); Wartsila Netherlands (CAGE H1512) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-554-6112 |
| Primary Part Number | M730000241 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Defense Maritime Solutions, Inc. |
| 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 |
|---|---|
| 4170-200-241 | R E a L Seal Co (USA) |
| M730000241 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| PAA1005811 ITEM 022 | Wartsila Netherlands (NLD) |
NSN 5331-01-554-6112 is a O-Ring, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-554-6112 has 3 manufacturer part numbers on file: 4170-200-241 (R E a L Seal Co), M730000241 (Defense Maritime Solutions, Inc.), PAA1005811 ITEM 022 (Wartsila Netherlands).
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.