The O-Ring, cataloged under National Stock Number 5331-01-209-8553, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cosmodyne, Llc Dba Cosmodyne Llc. 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 | Cosmodyne, Llc Dba Cosmodyne Llc (CAGE 11243) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-209-8553 |
| Primary Part Number | 2803128-7 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cosmodyne, Llc Dba Cosmodyne 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 |
|---|---|
| 2803128-7 PRIMARY | Cosmodyne, Llc Dba Cosmodyne Llc (USA) |
NSN 5331-01-209-8553 is a O-Ring, manufactured by Cosmodyne, Llc Dba Cosmodyne Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-209-8553 has 1 manufacturer part number on file: 2803128-7 (Cosmodyne, Llc Dba Cosmodyne 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.