The O-Ring, cataloged under National Stock Number 5331-01-285-4787, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | David Brown Hydraulics Inc Dba Hydreco (CAGE 0E9N0) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-285-4787 |
| Primary Part Number | A1022X011 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | David Brown Hydraulics Inc Dba Hydreco |
| 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 |
|---|---|
| A1022X011 PRIMARY | David Brown Hydraulics Inc Dba Hydreco (USA) |
| Reference | Meaning |
|---|---|
| A1022X11 | 5/9 Secondary reference David Brown Hydraulics Inc Dba Hydreco |
NSN 5331-01-285-4787 is a O-Ring, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-285-4787 has 1 manufacturer part number on file: A1022X011 (David Brown Hydraulics Inc Dba Hydreco).
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.