The O-Ring, cataloged under National Stock Number 5331-01-196-7981, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cummins Filtration Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Cummins Filtration Inc. (CAGE 76700) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-196-7981 |
| Primary Part Number | 59181 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cummins Filtration 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 |
|---|---|
| 59181 PRIMARY | Cummins Filtration Inc. (USA) |
| 91381C REVC PC004 | Cummins Filtration Inc. (USA) |
NSN 5331-01-196-7981 is a O-Ring, manufactured by Cummins Filtration Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-196-7981 has 2 manufacturer part numbers on file: 59181 (Cummins Filtration Inc.), 91381C REVC PC004 (Cummins Filtration Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 2990-01-556-0021, 5120-01-603-8448. Verify interchangeability with system specifications before substitution.
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.