The O-Ring, cataloged under National Stock Number 5331-01-449-5627, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Holmatro Incorporated. The record lists 2 manufacturer part numbers 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 | Holmatro Incorporated (CAGE 0B0C0) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-449-5627 |
| Primary Part Number | 190.593.168 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Holmatro Incorporated |
| 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 |
|---|---|
| 190.593.168 PRIMARY | Holmatro Incorporated (USA) |
| 2035YU ITEM 34 | Holmatro Incorporated (USA) |
NSN 5331-01-449-5627 is a O-Ring, manufactured by Holmatro Incorporated, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-449-5627 has 2 manufacturer part numbers on file: 190.593.168 (Holmatro Incorporated), 2035YU ITEM 34 (Holmatro Incorporated).
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.