The O-Ring, cataloged under National Stock Number 5331-01-288-8988, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Load King, Llc Div Load King. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Load King, Llc Div Load King (CAGE 26697) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-288-8988 |
| Primary Part Number | MPO-0543 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Load King, Llc Div Load King |
| 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 |
|---|---|
| MPO-0543 PRIMARY | Load King, Llc Div Load King (USA) |
NSN 5331-01-288-8988 is a O-Ring, manufactured by Load King, Llc Div Load King, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-288-8988 has 1 manufacturer part number on file: MPO-0543 (Load King, Llc Div Load King).
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.