The O-Ring, cataloged under National Stock Number 5331-01-371-2048, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Lake Shore Systems, Inc. (CAGE 34712) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-371-2048 |
| Primary Part Number | 2D3-03736 ITEM 25 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Lake Shore Systems, 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 |
|---|---|
| 2D3-03736 ITEM 25 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 64R-3A | 5/2 Secondary reference U.S. Government activity |
NSN 5331-01-371-2048 is a O-Ring, manufactured by Lake Shore Systems, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-371-2048 has 1 manufacturer part number on file: 2D3-03736 ITEM 25 (Lake Shore Systems, Inc.).
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.