The O-Ring, cataloged under National Stock Number 5331-00-819-3858, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Portland Valve Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-819-3858 |
| Primary Part Number | 005-0028-61 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Portland Valve Llc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| 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 |
|---|---|
| 005-0028-61 PRIMARY | Portland Valve Llc (USA) |
| D248PC16 PRIMARY | Portland Valve Llc (USA) |
| Reference | Meaning |
|---|---|
| 2-220E688-70 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 593-518-1862913PC5 | 3/2 Design control — primary reference U.S. Government activity |
| 593-513-1862821AEPC1 | 3/2 Design control — primary reference U.S. Government activity |
| 593-513-1862818CPC5 | 3/2 Design control — primary reference U.S. Government activity |
| 593-516-1862914SH2PC4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-00-819-3858 is a O-Ring, manufactured by Portland Valve Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-819-3858 has 2 manufacturer part numbers on file: 005-0028-61 (Portland Valve Llc), D248PC16 (Portland Valve Llc).
Key specifications for 005-0028-61: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR. 2 specifications are documented in the U.S. Government catalog.
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.