The O-Ring, cataloged under National Stock Number 5331-01-426-2558, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Andritz Naf Ab. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Andritz Naf Ab (CAGE A205N) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-426-2558 |
| Primary Part Number | NAF 486340-350MM PN12 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Andritz Naf Ab |
| 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 |
|---|---|
| FI21.72AGB 350MM PN12 | Andritz Naf Ab (SWE) |
| NAF 486340-350MM PN12 PRIMARY | Andritz Naf Ab (SWE) |
| Reference | Meaning |
|---|---|
| NAF 486340-350MM PN12 | 3/9 Design control — primary reference Naf Ab |
| FI21.72AGB 350MM PN12 | 5/9 Secondary reference Naf Ab |
NSN 5331-01-426-2558 is a O-Ring, manufactured by Andritz Naf Ab, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-426-2558 has 2 manufacturer part numbers on file: FI21.72AGB 350MM PN12 (Andritz Naf Ab), NAF 486340-350MM PN12 (Andritz Naf Ab).
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.