The O-Ring, cataloged under National Stock Number 5331-01-497-9863, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Engine Power Source Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | Engine Power Source Inc. (CAGE 0HM32) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-497-9863 |
| Primary Part Number | 04811-5030-0 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Engine Power Source 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 |
|---|---|
| 04811-5030-0 PRIMARY | Engine Power Source Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3331658 | 5/9 Secondary reference Powerboss Inc Div Minuteman Powerboss |
NSN 5331-01-497-9863 is a O-Ring, manufactured by Engine Power Source Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-497-9863 has 1 manufacturer part number on file: 04811-5030-0 (Engine Power Source Inc.).
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.