The O-Ring, cataloged under National Stock Number 5331-01-484-1871, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Kaydon Custom Filtration Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Kaydon Custom Filtration Corporation (CAGE 53964) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-484-1871 |
| Primary Part Number | A628003 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Kaydon Custom Filtration Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A628003 PRIMARY | Kaydon Custom Filtration Corporation (USA) |
| 5D410084 REV C ITEM 4 | Kaydon Custom Filtration Corporation (USA) |
| Reference | Meaning |
|---|---|
| 5D410084 | D/9 Drawing number reference only Kaydon Corporation Dba Kaydon Filtration Group |
| A628003 | 5/9 Secondary reference Kaydon Corporation Dba Kaydon Filtration Group |
| 5D410084 REV C ITEM 4 | 5/9 Secondary reference Kaydon Corporation Dba Kaydon Filtration Group |
NSN 5331-01-484-1871 is a O-Ring, manufactured by Kaydon Custom Filtration Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-484-1871 has 2 manufacturer part numbers on file: A628003 (Kaydon Custom Filtration Corporation), 5D410084 REV C ITEM 4 (Kaydon Custom Filtration Corporation).
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.