The O-Ring, cataloged under National Stock Number 5331-01-289-2486, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Watlow Electric Manufacturing Co Dba Watlow. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Watlow Electric Manufacturing Co Dba Watlow (CAGE 79221) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-289-2486 |
| Primary Part Number | A290-49-2-4 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Watlow Electric Manufacturing Co Dba Watlow |
| 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 |
|---|---|
| A290-49-2-4 PRIMARY | Watlow Electric Manufacturing Co Dba Watlow (USA) |
NSN 5331-01-289-2486 is a O-Ring, manufactured by Watlow Electric Manufacturing Co Dba Watlow, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-289-2486 has 1 manufacturer part number on file: A290-49-2-4 (Watlow Electric Manufacturing Co Dba Watlow).
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.