The O-Ring, cataloged under National Stock Number 5331-01-389-2551, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Del Mar Avionics, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Del Mar Avionics, Llc (CAGE 00539) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-389-2551 |
| Primary Part Number | A5-4010V |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Del Mar Avionics, 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 |
|---|---|
| A5-4010V PRIMARY | Del Mar Avionics, Llc (USA) |
| Reference | Meaning |
|---|---|
| A5-4010 | 3/9 Design control — primary reference Del Mar Avionics, Llc |
NSN 5331-01-389-2551 is a O-Ring, manufactured by Del Mar Avionics, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-389-2551 has 1 manufacturer part number on file: A5-4010V (Del Mar Avionics, 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.