The O-Ring, cataloged under National Stock Number 5331-01-485-0028, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Circor Pumps North America Llc. The record lists 2 manufacturer part numbers 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 | Circor Pumps North America Llc (CAGE 59180); Parco, Llc (CAGE 77308) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-485-0028 |
| Primary Part Number | SF11077 ITEM 112 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SF11077 ITEM 112 PRIMARY | Circor Pumps North America Llc (USA) |
| PRP568-258-3110-70 | Parco, Llc (USA) |
NSN 5331-01-485-0028 is a O-Ring, manufactured by Circor Pumps North America Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-485-0028 has 2 manufacturer part numbers on file: SF11077 ITEM 112 (Circor Pumps North America Llc), PRP568-258-3110-70 (Parco, 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.