The O-Ring, cataloged under National Stock Number 5331-00-587-3808, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Vme Americas Inc Central Parts Div. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Vme Americas Inc Central Parts Div (CAGE 5A662) |
| Parameter | Value |
|---|---|
| NSN | 5331-00-587-3808 |
| Primary Part Number | 25K040028 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Vme Americas Inc Central Parts Div |
| 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 |
|---|---|
| 25K040028 PRIMARY | Vme Americas Inc Central Parts Div (USA) |
| Reference | Meaning |
|---|---|
| 6518341 | 5/9 Secondary reference Clark Equipment Co |
| 6518341 | 5/9 Secondary reference Clark Equipment Co Melroe Div |
NSN 5331-00-587-3808 is a O-Ring, manufactured by Vme Americas Inc Central Parts Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-587-3808 has 1 manufacturer part number on file: 25K040028 (Vme Americas Inc Central Parts Div).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-648-6628. 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.