The O-Ring, cataloged under National Stock Number 5331-01-100-5163, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dimension Seal Products. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Dimension Seal Products (CAGE 53048); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Porter Seal Co (CAGE 25024) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-100-5163 |
| Primary Part Number | 966044-5C |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dimension Seal Products |
| 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 |
|---|---|
| 966044-5C | Dimension Seal Products (USA) |
| 966044-5C | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 21-562-139 | Porter Seal Co (USA) |
| Reference | Meaning |
|---|---|
| 966044-5C | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-100-5163 is a O-Ring, manufactured by Dimension Seal Products, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-100-5163 has 3 manufacturer part numbers on file: 966044-5C (Dimension Seal Products), 966044-5C (Parker-Hannifin Corp Div O-Ring Division), 21-562-139 (Porter Seal Co).
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.