The O-Ring, cataloged under National Stock Number 5331-01-190-5649, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dynamic Air Engineering, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Dynamic Air Engineering, Inc. (CAGE 18965) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-190-5649 |
| Primary Part Number | K487-4 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dynamic Air Engineering, 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 |
|---|---|
| K487-4 PRIMARY | Dynamic Air Engineering, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3815-13 PC 4 | 5/9 Secondary reference Dynamic Air Engineering, Inc. |
NSN 5331-01-190-5649 is a O-Ring, manufactured by Dynamic Air Engineering, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-190-5649 has 1 manufacturer part number on file: K487-4 (Dynamic Air Engineering, 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.