The O-Ring, cataloged under National Stock Number 5331-01-253-6595, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Perkins Engines 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Perkins Engines Inc (CAGE 13446) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-253-6595 |
| Primary Part Number | 2415B201 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Perkins Engines 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 |
|---|---|
| 2415B201 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 341872 | C/1 Advisory reference — outside the item-of-supply concept Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| 341872 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
NSN 5331-01-253-6595 is a O-Ring, manufactured by Perkins Engines Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-253-6595 has 1 manufacturer part number on file: 2415B201 (Perkins Engines Inc).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-478-0065. Verify interchangeability with system specifications before substitution.
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.