The O-Ring, cataloged under National Stock Number 5331-01-428-7583, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Scandinavian Boiler Service, Inc. Dba Saacke Usa Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Scandinavian Boiler Service, Inc. Dba Saacke Usa Inc (CAGE 048Q5) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-428-7583 |
| Primary Part Number | AQ3:75804E ITEM 81 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Scandinavian Boiler Service, Inc. Dba Saacke Usa 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 |
|---|---|
| AQ3:75804E ITEM 81 PRIMARY | Scandinavian Boiler Service, Inc. Dba Saacke Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| AQ3:75804E ITEM 81 | 5/9 Secondary reference Alfa Laval Aalborg |
| AQ3:75804E P3 I | C/1 Advisory reference — outside the item-of-supply concept Scandinavian Boiler Service, Inc. Dba Saacke Usa Inc |
NSN 5331-01-428-7583 is a O-Ring, manufactured by Scandinavian Boiler Service, Inc. Dba Saacke Usa Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-428-7583 has 1 manufacturer part number on file: AQ3:75804E ITEM 81 (Scandinavian Boiler Service, Inc. Dba Saacke Usa Inc).
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.