The O-Ring, cataloged under National Stock Number 5331-01-589-9453, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Ryan Herco Products Corp. Dba Ryan Herco Products Corp. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-589-9453 |
| Primary Part Number | OR026VT |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Ryan Herco Products Corp. Dba Ryan Herco Products Corp |
| Status | ACTIVE |
| Color | BROWN |
| Material | PLASTIC |
| 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 |
|---|---|
| OR026VT PRIMARY | Ryan Herco Products Corp. Dba Ryan Herco Products Corp (USA) |
| Reference | Meaning |
|---|---|
| OR026VT | 5/9 Secondary reference Ryan Herco Products Corp. Dba Ryan Herco Flow Solutions |
NSN 5331-01-589-9453 is a O-Ring, manufactured by Ryan Herco Products Corp. Dba Ryan Herco Products Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-589-9453 has 1 manufacturer part number on file: OR026VT (Ryan Herco Products Corp. Dba Ryan Herco Products Corp).
Key specifications for OR026VT: Color: BROWN; Special Features: SPECIFIC MATERIAL IS BROWN FLUOROELASTOMER;NHA METERING TUBE;O-RING 2-026; Part Name Assigned by Controlling Agency: BROWN VITON O-RING; End Item Identification: 4610-01-572-8283, LIGHTWEIGHT WATER PURIFICATION SYSTEM (LWPS). 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.