The O-Ring, cataloged under National Stock Number 5331-01-289-9128, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Vickers & Associates, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | Vickers & Associates, Inc. (CAGE 79597); Eaton Aerospace, Llc Dba Jackson South (CAGE 62983) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-289-9128 |
| Primary Part Number | 262331 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Vickers & Associates, 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 |
|---|---|
| 262331 PRIMARY | Vickers & Associates, Inc. (USA) |
| 262331 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 2DM2 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Corp |
| 262331 | 5/9 Secondary reference Vickers Inc |
NSN 5331-01-289-9128 is a O-Ring, manufactured by Vickers & Associates, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-289-9128 has 2 manufacturer part numbers on file: 262331 (Vickers & Associates, Inc.), 262331 (Eaton Aerospace, Llc Dba Jackson South).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-535-6709. 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.