The O-Ring, cataloged under National Stock Number 5331-01-333-2690, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Velan Valve Corp. (CAGE 57574) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-333-2690 |
| Primary Part Number | P3-33005-G1 PART 8682-000-420 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Velan Valve Corp. |
| 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 |
|---|---|
| P3-33005-G1 PART 8682-000-420 PRIMARY | Velan Valve Corp. (USA) |
| Reference | Meaning |
|---|---|
| 8682-000-420 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-333-2690 is a O-Ring, manufactured by Velan Valve Corp., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-333-2690 has 1 manufacturer part number on file: P3-33005-G1 PART 8682-000-420 (Velan Valve Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-561-9840. 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.