The O-Ring, cataloged under National Stock Number 5331-01-431-3258, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is The Hiller Companies Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | The Hiller Companies Llc (CAGE 1DA54) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-431-3258 |
| Primary Part Number | 3220-8022-5 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | The Hiller Companies Llc |
| 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 |
|---|---|
| 3220-8022-5 PRIMARY | The Hiller Companies Llc (USA) |
| Reference | Meaning |
|---|---|
| 3220-8022-5 | 3/9 Design control — primary reference National Foam Inc Dba National Foam Div National Foam |
NSN 5331-01-431-3258 is a O-Ring, manufactured by The Hiller Companies Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-431-3258 has 1 manufacturer part number on file: 3220-8022-5 (The Hiller Companies Llc).
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.