The O-Ring, cataloged under National Stock Number 5331-01-567-3865, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rheinmetall Canada Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Rheinmetall Canada Inc (CAGE 78959) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-567-3865 |
| Primary Part Number | 88X4FKM |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rheinmetall Canada 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 |
|---|---|
| 88X4FKM | Rheinmetall Canada Inc (CAN) |
| Reference | Meaning |
|---|---|
| 88X4 | 3/9 Design control — primary reference Rtx Corporation Div Pratt & Whitney |
| 88X4FKM | 5/9 Secondary reference Rheinmetall Landsysteme Gmbh |
NSN 5331-01-567-3865 is a O-Ring, manufactured by Rheinmetall Canada Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-567-3865 has 1 manufacturer part number on file: 88X4FKM (Rheinmetall Canada 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.