The O-Ring, cataloged under National Stock Number 5331-01-375-1116, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Di Frances Company Llc. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Goodrich Actuation Systems Ltd (CAGE K0377); Transaero, Inc. (CAGE 27541); Di Frances Company Llc (CAGE 0CY50) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-375-1116 |
| Primary Part Number | FHS1819-3 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Di Frances Company 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 |
|---|---|
| FHS1819-3 | Goodrich Actuation Systems Ltd (GBR) |
| FHS1819-3 | Transaero, Inc. (USA) |
| FHS1819-3 PRIMARY | Di Frances Company Llc (USA) |
| Reference | Meaning |
|---|---|
| FHS1819-3 | 5/9 Secondary reference Claverham Ltd |
| FHS1819-3 | 5/9 Secondary reference Fairey Hydraulics Inc |
NSN 5331-01-375-1116 is a O-Ring, manufactured by Di Frances Company Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-375-1116 has 3 manufacturer part numbers on file: FHS1819-3 (Goodrich Actuation Systems Ltd), FHS1819-3 (Transaero, Inc.), FHS1819-3 (Di Frances Company 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.